taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496033/files/figure.png	https://doi.org/10.5281/zenodo.4496033	FIGURE 8. Ventojassa frequens (Chilton, 1883). Type, adult male, 4.0 mm, CMNZ 2015.149.86, Lyttelton Harbour, New Zealand, date unknown, Charles Chilton, coll. Drawings taken from the mount of the whole animal. Only portions of appendages that were clearly visible could be drawn. Setae obscured on the posterior of antenna 1 peduncle article 2 and gnathopod 1 carpus. Scale 0.1 mm.	FIGURE 8. Ventojassa frequens (Chilton, 1883). Type, adult male, 4.0 mm, CMNZ 2015.149.86, Lyttelton Harbour, New Zealand, date unknown, Charles Chilton, coll. Drawings taken from the mount of the whole animal. Only portions of appendages that were clearly visible could be drawn. Setae obscured on the posterior of antenna 1 peduncle article 2 and gnathopod 1 carpus. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496035/files/figure.png	https://doi.org/10.5281/zenodo.4496035	FIGURE 9. Ventojassa frequens (Chilton, 1883). Type, adult female, 4.0 mm, CMNZ 2015.149.85, Lyttelton Harbour, New Zealand, date unknown, Charles Chilton, coll. Drawings taken from the mount of the whole animal. Only portions of appendages that were clearly visible could be drawn. Scale 0.1 mm.	FIGURE 9. Ventojassa frequens (Chilton, 1883). Type, adult female, 4.0 mm, CMNZ 2015.149.85, Lyttelton Harbour, New Zealand, date unknown, Charles Chilton, coll. Drawings taken from the mount of the whole animal. Only portions of appendages that were clearly visible could be drawn. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496037/files/figure.png	https://doi.org/10.5281/zenodo.4496037	FIGURE 10. Ventojassa frequens (Chilton, 1883). Male, 3.6 mm, male 1, 3.3 mm, and adult female, 4.0 mm, Nightingale Island, Tristan da Cunha, 8 February 1938, E. Sivertsen, coll., ZMUO F3934a, station no. 114. Lateral views: whole body and antenna 1; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 10. Ventojassa frequens (Chilton, 1883). Male, 3.6 mm, male 1, 3.3 mm, and adult female, 4.0 mm, Nightingale Island, Tristan da Cunha, 8 February 1938, E. Sivertsen, coll., ZMUO F3934a, station no. 114. Lateral views: whole body and antenna 1; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496039/files/figure.png	https://doi.org/10.5281/zenodo.4496039	FIGURE 11. Ventojassa frequens (Chilton, 1883). Male 1, 3.3 mm, Nightingale Island, Tristan da Cunha, 8 February 1938, E. Sivertsen, coll., ZMUO F3934a, station no. 114. Mouthparts. Frontal view: upper lip; lateral views: maxillae 1 and 2, left mandible; other views medial. Scale 0.1 mm.	FIGURE 11. Ventojassa frequens (Chilton, 1883). Male 1, 3.3 mm, Nightingale Island, Tristan da Cunha, 8 February 1938, E. Sivertsen, coll., ZMUO F3934a, station no. 114. Mouthparts. Frontal view: upper lip; lateral views: maxillae 1 and 2, left mandible; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496041/files/figure.png	https://doi.org/10.5281/zenodo.4496041	FIGURE 12. Ventojassa frequens (Chilton, 1883). Male, 4.5 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Lateral views: whole body, gnathopods 1 and 2, pereopod 5 and uropod 3; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 12. Ventojassa frequens (Chilton, 1883). Male, 4.5 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Lateral views: whole body, gnathopods 1 and 2, pereopod 5 and uropod 3; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496043/files/figure.png	https://doi.org/10.5281/zenodo.4496043	FIGURE 13. Ventojassa frequens (Chilton, 1883). Male 1, 4.0 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Lateral view: full antenna 1 and left antenna flagellum; other views medial. Scale 0.1 mm.	FIGURE 13. Ventojassa frequens (Chilton, 1883). Male 1, 4.0 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Lateral view: full antenna 1 and left antenna flagellum; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496045/files/figure.png	https://doi.org/10.5281/zenodo.4496045	FIGURE 14. Ventojassa frequens (Chilton, 1883). Adult female, 3.0 mm and adult female 1, 3.5 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. All views medial. Scale 0.1 mm.	FIGURE 14. Ventojassa frequens (Chilton, 1883). Adult female, 3.0 mm and adult female 1, 3.5 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. All views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496047/files/figure.png	https://doi.org/10.5281/zenodo.4496047	FIGURE 15. Ventojassa frequens (Chilton, 1883). Male, 4.5 mm and male 1, 4.0 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Mouthparts. Frontal view: upper lip; lateral views: maxilla 1 and right mandible; other views medial. Scale 0.1 mm.	FIGURE 15. Ventojassa frequens (Chilton, 1883). Male, 4.5 mm and male 1, 4.0 mm. St. Kilda Rocks, Kaikoura, New Zealand (42.45°S, 173.7°E), 8 November 1973, G. D. Fenwick, coll., AM P.25948. On the green alga Caulerpa brownii (C. Agardh) Endlicher at 3 m depth. Mouthparts. Frontal view: upper lip; lateral views: maxilla 1 and right mandible; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496051/files/figure.png	https://doi.org/10.5281/zenodo.4496051	FIGURE 16. Ventojassa frequens (Chilton, 1883). Comparison of thumb length relative to body length for the conical and cubic thumbed males from Chilton’s collection at Lyttelton, N.Z. and two collections at Tapeka and Kaikoura, N.Z. about 100 years later. Linear regression assumptions passed for the conical thumbed males at Tapeka. Linear regression statistics: male, thumb length = -0.094 + 0.068 x body length, r2 = 0.754, n = 31.	FIGURE 16. Ventojassa frequens (Chilton, 1883). Comparison of thumb length relative to body length for the conical and cubic thumbed males from Chilton’s collection at Lyttelton, N.Z. and two collections at Tapeka and Kaikoura, N.Z. about 100 years later. Linear regression assumptions passed for the conical thumbed males at Tapeka. Linear regression statistics: male, thumb length = -0.094 + 0.068 x body length, r2 = 0.754, n = 31.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496021/files/figure.png	https://doi.org/10.5281/zenodo.4496021	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496025/files/figure.png	https://doi.org/10.5281/zenodo.4496025	FIGURE 4. Plumulojassa ocia (Bate, 1862). Female 1, 3.75 mm. Intertidal, in Corallina elongata, Peniche, Portugal, 8 October 1979, J. C. Marques, coll., CMN A2019.0055. Female 2, 3.5 mm and female 3, 4.0 mm, Le Croisic, France, date unknown, E. Chevreux, coll., MNHN Am. 2664. Setae are omitted from the gnathopod 2 profiles of females 2 and 3. Lateral views: all gnathopods 2 and pereopod 5; medial view: uropod 3. Scale 0.1 mm.	FIGURE 4. Plumulojassa ocia (Bate, 1862). Female 1, 3.75 mm. Intertidal, in Corallina elongata, Peniche, Portugal, 8 October 1979, J. C. Marques, coll., CMN A2019.0055. Female 2, 3.5 mm and female 3, 4.0 mm, Le Croisic, France, date unknown, E. Chevreux, coll., MNHN Am. 2664. Setae are omitted from the gnathopod 2 profiles of females 2 and 3. Lateral views: all gnathopods 2 and pereopod 5; medial view: uropod 3. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496029/files/figure.png	https://doi.org/10.5281/zenodo.4496029	FIGURE 6. Plumulojassa ocia (Bate, 1862). Le Croisic, France, date unknown, E. Chevreux, coll., MNHNAm. 2664. Tip of right uropod 1 inner and outer rami, showing the fringe of cusps on the apex of the outer ramus. X5000.	FIGURE 6. Plumulojassa ocia (Bate, 1862). Le Croisic, France, date unknown, E. Chevreux, coll., MNHNAm. 2664. Tip of right uropod 1 inner and outer rami, showing the fringe of cusps on the apex of the outer ramus. X5000.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496063/files/figure.png	https://doi.org/10.5281/zenodo.4496063	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA6DD477FF1333A8D4E0FC13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496065/files/figure.png	https://doi.org/10.5281/zenodo.4496065	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496055/files/figure.png	https://doi.org/10.5281/zenodo.4496055	FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496057/files/figure.png	https://doi.org/10.5281/zenodo.4496057	FIGURE 18. Hemijassa goniamera (Walker, 1903). Paralectotype, adult female, 19.9 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. All views medial. Scale 0.1 mm.	FIGURE 18. Hemijassa goniamera (Walker, 1903). Paralectotype, adult female, 19.9 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. All views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496059/files/figure.png	https://doi.org/10.5281/zenodo.4496059	FIGURE 19. Hemijassa goniamera (Walker, 1903). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515). Types illustrated in Figs 17 and 18 are indicated by an arrow.	FIGURE 19. Hemijassa goniamera (Walker, 1903). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515). Types illustrated in Figs 17 and 18 are indicated by an arrow.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496061/files/figure.png	https://doi.org/10.5281/zenodo.4496061	FIGURE 20. Hemijassa goniamera (Walker, 1903). Variation in setation of antenna 2 and shape of the gnathopod 2 palm in three males. A, D: male, 22 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 049, IG28520, 30 January 1998, Agassiz trawl beginning at 246 m depth, 70.0145°S, 10.00806°W, C. De Broyer and Y. Scailteur, coll. (RBINS). B, E: male, 21 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 062, IG28252, 31 January 1998, Agassiz trawl beginning at 248 m depth, 70.01461°S, 10.00794°W, C. De Broyer and Y. Scailteur, coll. (RBINS). C, F: male, 22 mm, Stn. 062. IG28252. All views lateral. Scale 1 mm.	FIGURE 20. Hemijassa goniamera (Walker, 1903). Variation in setation of antenna 2 and shape of the gnathopod 2 palm in three males. A, D: male, 22 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 049, IG28520, 30 January 1998, Agassiz trawl beginning at 246 m depth, 70.0145°S, 10.00806°W, C. De Broyer and Y. Scailteur, coll. (RBINS). B, E: male, 21 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 062, IG28252, 31 January 1998, Agassiz trawl beginning at 248 m depth, 70.01461°S, 10.00794°W, C. De Broyer and Y. Scailteur, coll. (RBINS). C, F: male, 22 mm, Stn. 062. IG28252. All views lateral. Scale 1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496063/files/figure.png	https://doi.org/10.5281/zenodo.4496063	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA62D44EFF13325CD4DBFB1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496069/files/figure.png	https://doi.org/10.5281/zenodo.4496069	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496065/files/figure.png	https://doi.org/10.5281/zenodo.4496065	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496077/files/figure.png	https://doi.org/10.5281/zenodo.4496077	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496079/files/figure.png	https://doi.org/10.5281/zenodo.4496079	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496073/files/figure.png	https://doi.org/10.5281/zenodo.4496073	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496081/files/figure.png	https://doi.org/10.5281/zenodo.4496081	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496083/files/figure.png	https://doi.org/10.5281/zenodo.4496083	FIGURE 30. Pleojassa wandeli (Chevreux, 1906). Variation in the male gnathopod 2 propodus and dactyl, with the palmar defining spine as a landmark. Note the internal thumbed cuticle in males 3 and 4. Male 1, 9.8 mm and male 3, 6.3 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). Male 2, 4.0 mm, Berntsen Point, Signy Island, South Orkney Islands, 21 April 1964, M. H. Thurston, coll., NHM 1969:752:15, station no. 33 (1427) pt. Male 4, 9.3 mm, Ile Petermann, 565, Pourquoi pas? Antarctica 1908–1910, 2e Miss. Charcot 1912, 16 Nov. 1909, MNHN Am. 2627. Male 5, 6.6 mm, Kerguelen Island, Antarctica (49.30°S, 69.30°E), 13 Feb. 1966, D. Bellan-Santini loan. Lateral views: males 2, 4 and 5 (setae omitted); medial views: males 1 and 3. Scale 0.1 mm.	FIGURE 30. Pleojassa wandeli (Chevreux, 1906). Variation in the male gnathopod 2 propodus and dactyl, with the palmar defining spine as a landmark. Note the internal thumbed cuticle in males 3 and 4. Male 1, 9.8 mm and male 3, 6.3 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). Male 2, 4.0 mm, Berntsen Point, Signy Island, South Orkney Islands, 21 April 1964, M. H. Thurston, coll., NHM 1969:752:15, station no. 33 (1427) pt. Male 4, 9.3 mm, Ile Petermann, 565, Pourquoi pas? Antarctica 1908–1910, 2e Miss. Charcot 1912, 16 Nov. 1909, MNHN Am. 2627. Male 5, 6.6 mm, Kerguelen Island, Antarctica (49.30°S, 69.30°E), 13 Feb. 1966, D. Bellan-Santini loan. Lateral views: males 2, 4 and 5 (setae omitted); medial views: males 1 and 3. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496089/files/figure.png	https://doi.org/10.5281/zenodo.4496089	FIGURE 33. Pleojassa wandeli (Chevreux, 1906). Male 1, 9.8 mm and female, 9.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). All views medial. Scale 0.1 mm.	FIGURE 33. Pleojassa wandeli (Chevreux, 1906). Male 1, 9.8 mm and female, 9.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). All views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA58D44CFF133270D0F8FE08.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496021/files/figure.png	https://doi.org/10.5281/zenodo.4496021	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA5AD441FF13352DD6D5FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496065/files/figure.png	https://doi.org/10.5281/zenodo.4496065	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA5AD441FF13352DD6D5FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496067/files/figure.png	https://doi.org/10.5281/zenodo.4496067	FIGURE 23. Pleojassa moorei n. sp. Variation in antenna 2 article 5 length and gnathopod 2 propodus length relative to body length in males and females from the type collection (Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244)). Specimens illustrated in FIGURE 22 are indicated by an arrow. Regression assumptions failed for all plots.	FIGURE 23. Pleojassa moorei n. sp. Variation in antenna 2 article 5 length and gnathopod 2 propodus length relative to body length in males and females from the type collection (Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244)). Specimens illustrated in FIGURE 22 are indicated by an arrow. Regression assumptions failed for all plots.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA5AD441FF13352DD6D5FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496069/files/figure.png	https://doi.org/10.5281/zenodo.4496069	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA57D446FF1335F2D77EFCE3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496073/files/figure.png	https://doi.org/10.5281/zenodo.4496073	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA57D446FF1335F2D77EFCE3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496075/files/figure.png	https://doi.org/10.5281/zenodo.4496075	FIGURE 26. Pleojassa lowryi n. sp. Variation in gnathopod 2 propodus length relative to body length in males and females from the type collection (Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., Am P.34948, station no. SA- 3417). Second gnathopods illustrated in FIGURE 25 are indicated by an arrow. Regression assumptions failed for all plots.	FIGURE 26. Pleojassa lowryi n. sp. Variation in gnathopod 2 propodus length relative to body length in males and females from the type collection (Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., Am P.34948, station no. SA- 3417). Second gnathopods illustrated in FIGURE 25 are indicated by an arrow. Regression assumptions failed for all plots.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA51D445FF133211D49EFBE1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496077/files/figure.png	https://doi.org/10.5281/zenodo.4496077	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA51D445FF133211D49EFBE1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496079/files/figure.png	https://doi.org/10.5281/zenodo.4496079	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA51D445FF133211D49EFBE1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496021/files/figure.png	https://doi.org/10.5281/zenodo.4496021	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA53D45BFF133385D102FF23.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496079/files/figure.png	https://doi.org/10.5281/zenodo.4496079	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA53D45BFF133385D102FF23.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496077/files/figure.png	https://doi.org/10.5281/zenodo.4496077	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA53D45BFF133385D102FF23.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496017/files/figure.png	https://doi.org/10.5281/zenodo.4496017	FIGURE 1. Distribution records of Plumulojassa ocia, Ventojassa frequens and Hemijassa goniamera. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	FIGURE 1. Distribution records of Plumulojassa ocia, Ventojassa frequens and Hemijassa goniamera. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA53D45BFF133385D102FF23.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496021/files/figure.png	https://doi.org/10.5281/zenodo.4496021	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	FIGURE 2. Distribution records of Pleojassa moorei, P. lowryi, P. wandeli, P. multidentata, and P. orientalis. Red dot: identification confirmed by specimen examination; green triangle: literature record (Supplementary Table S1) with identification not confirmed but judged likely to be this species.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496081/files/figure.png	https://doi.org/10.5281/zenodo.4496081	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496083/files/figure.png	https://doi.org/10.5281/zenodo.4496083	FIGURE 30. Pleojassa wandeli (Chevreux, 1906). Variation in the male gnathopod 2 propodus and dactyl, with the palmar defining spine as a landmark. Note the internal thumbed cuticle in males 3 and 4. Male 1, 9.8 mm and male 3, 6.3 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). Male 2, 4.0 mm, Berntsen Point, Signy Island, South Orkney Islands, 21 April 1964, M. H. Thurston, coll., NHM 1969:752:15, station no. 33 (1427) pt. Male 4, 9.3 mm, Ile Petermann, 565, Pourquoi pas? Antarctica 1908–1910, 2e Miss. Charcot 1912, 16 Nov. 1909, MNHN Am. 2627. Male 5, 6.6 mm, Kerguelen Island, Antarctica (49.30°S, 69.30°E), 13 Feb. 1966, D. Bellan-Santini loan. Lateral views: males 2, 4 and 5 (setae omitted); medial views: males 1 and 3. Scale 0.1 mm.	FIGURE 30. Pleojassa wandeli (Chevreux, 1906). Variation in the male gnathopod 2 propodus and dactyl, with the palmar defining spine as a landmark. Note the internal thumbed cuticle in males 3 and 4. Male 1, 9.8 mm and male 3, 6.3 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). Male 2, 4.0 mm, Berntsen Point, Signy Island, South Orkney Islands, 21 April 1964, M. H. Thurston, coll., NHM 1969:752:15, station no. 33 (1427) pt. Male 4, 9.3 mm, Ile Petermann, 565, Pourquoi pas? Antarctica 1908–1910, 2e Miss. Charcot 1912, 16 Nov. 1909, MNHN Am. 2627. Male 5, 6.6 mm, Kerguelen Island, Antarctica (49.30°S, 69.30°E), 13 Feb. 1966, D. Bellan-Santini loan. Lateral views: males 2, 4 and 5 (setae omitted); medial views: males 1 and 3. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496085/files/figure.png	https://doi.org/10.5281/zenodo.4496085	FIGURE 31. Pleojassa wandeli (Chevreux, 1906). Variation in antenna 2 article 5 length relative to body length in males from a single population (Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95)). The male 1 illustrated in FIGURE 30 is indicated by an arrow. Linear regression assumptions failed for this plot.	FIGURE 31. Pleojassa wandeli (Chevreux, 1906). Variation in antenna 2 article 5 length relative to body length in males from a single population (Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95)). The male 1 illustrated in FIGURE 30 is indicated by an arrow. Linear regression assumptions failed for this plot.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496087/files/figure.png	https://doi.org/10.5281/zenodo.4496087	FIGURE 32. Pleojassa wandeli (Chevreux, 1906). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95)). The male 1 and male 3 illustrated in FIGURE 30 and the female illustrated in FIGURE 33 are indicated by an arrow. Linear regression assumptions passed for the adult female. Linear regression statistics: Adult female, thumb length = -0.455 + 0.229 x body length, r2 = 0.932, n = 11.	FIGURE 32. Pleojassa wandeli (Chevreux, 1906). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95)). The male 1 and male 3 illustrated in FIGURE 30 and the female illustrated in FIGURE 33 are indicated by an arrow. Linear regression assumptions passed for the adult female. Linear regression statistics: Adult female, thumb length = -0.455 + 0.229 x body length, r2 = 0.932, n = 11.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496089/files/figure.png	https://doi.org/10.5281/zenodo.4496089	FIGURE 33. Pleojassa wandeli (Chevreux, 1906). Male 1, 9.8 mm and female, 9.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). All views medial. Scale 0.1 mm.	FIGURE 33. Pleojassa wandeli (Chevreux, 1906). Male 1, 9.8 mm and female, 9.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). All views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA4DD452FF133642D185FD73.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496091/files/figure.png	https://doi.org/10.5281/zenodo.4496091	FIGURE 34. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Mouthparts. Frontal view: upper lip; lateral views: maxillae 1 and 2; other views medial. Scale 0.1 mm.	FIGURE 34. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Mouthparts. Frontal view: upper lip; lateral views: maxillae 1 and 2; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496093/files/figure.png	https://doi.org/10.5281/zenodo.4496093	FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm.	FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496095/files/figure.png	https://doi.org/10.5281/zenodo.4496095	FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm.	FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496097/files/figure.png	https://doi.org/10.5281/zenodo.4496097	FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm.	FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496023/files/figure.png	https://doi.org/10.5281/zenodo.4496023	FIGURE 3. Plumulojassa ocia (Bate, 1862). Neotype, male 1, 3.5 mm. West side of St. Warna’s Cove, St. Agnes, Scilly Isles, Cornwall, England, 1 August 1973, P. Parslow, coll., NHM 1987:514. Male 2, 3.0 mm and male 3, 3.7 mm, Le Croisic, France, date unknown, E. Chevreux, coll., MNHN Am. 2664. Setae are omitted from the gnathopod 2 profiles of males 2 and 3. All views lateral. Scale 0.1 mm.	FIGURE 3. Plumulojassa ocia (Bate, 1862). Neotype, male 1, 3.5 mm. West side of St. Warna’s Cove, St. Agnes, Scilly Isles, Cornwall, England, 1 August 1973, P. Parslow, coll., NHM 1987:514. Male 2, 3.0 mm and male 3, 3.7 mm, Le Croisic, France, date unknown, E. Chevreux, coll., MNHN Am. 2664. Setae are omitted from the gnathopod 2 profiles of males 2 and 3. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496055/files/figure.png	https://doi.org/10.5281/zenodo.4496055	FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496065/files/figure.png	https://doi.org/10.5281/zenodo.4496065	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496073/files/figure.png	https://doi.org/10.5281/zenodo.4496073	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496077/files/figure.png	https://doi.org/10.5281/zenodo.4496077	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496079/files/figure.png	https://doi.org/10.5281/zenodo.4496079	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496081/files/figure.png	https://doi.org/10.5281/zenodo.4496081	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496067/files/figure.png	https://doi.org/10.5281/zenodo.4496067	FIGURE 23. Pleojassa moorei n. sp. Variation in antenna 2 article 5 length and gnathopod 2 propodus length relative to body length in males and females from the type collection (Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244)). Specimens illustrated in FIGURE 22 are indicated by an arrow. Regression assumptions failed for all plots.	FIGURE 23. Pleojassa moorei n. sp. Variation in antenna 2 article 5 length and gnathopod 2 propodus length relative to body length in males and females from the type collection (Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244)). Specimens illustrated in FIGURE 22 are indicated by an arrow. Regression assumptions failed for all plots.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496069/files/figure.png	https://doi.org/10.5281/zenodo.4496069	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496075/files/figure.png	https://doi.org/10.5281/zenodo.4496075	FIGURE 26. Pleojassa lowryi n. sp. Variation in gnathopod 2 propodus length relative to body length in males and females from the type collection (Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., Am P.34948, station no. SA- 3417). Second gnathopods illustrated in FIGURE 25 are indicated by an arrow. Regression assumptions failed for all plots.	FIGURE 26. Pleojassa lowryi n. sp. Variation in gnathopod 2 propodus length relative to body length in males and females from the type collection (Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., Am P.34948, station no. SA- 3417). Second gnathopods illustrated in FIGURE 25 are indicated by an arrow. Regression assumptions failed for all plots.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496057/files/figure.png	https://doi.org/10.5281/zenodo.4496057	FIGURE 18. Hemijassa goniamera (Walker, 1903). Paralectotype, adult female, 19.9 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. All views medial. Scale 0.1 mm.	FIGURE 18. Hemijassa goniamera (Walker, 1903). Paralectotype, adult female, 19.9 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. All views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496059/files/figure.png	https://doi.org/10.5281/zenodo.4496059	FIGURE 19. Hemijassa goniamera (Walker, 1903). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515). Types illustrated in Figs 17 and 18 are indicated by an arrow.	FIGURE 19. Hemijassa goniamera (Walker, 1903). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515). Types illustrated in Figs 17 and 18 are indicated by an arrow.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496061/files/figure.png	https://doi.org/10.5281/zenodo.4496061	FIGURE 20. Hemijassa goniamera (Walker, 1903). Variation in setation of antenna 2 and shape of the gnathopod 2 palm in three males. A, D: male, 22 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 049, IG28520, 30 January 1998, Agassiz trawl beginning at 246 m depth, 70.0145°S, 10.00806°W, C. De Broyer and Y. Scailteur, coll. (RBINS). B, E: male, 21 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 062, IG28252, 31 January 1998, Agassiz trawl beginning at 248 m depth, 70.01461°S, 10.00794°W, C. De Broyer and Y. Scailteur, coll. (RBINS). C, F: male, 22 mm, Stn. 062. IG28252. All views lateral. Scale 1 mm.	FIGURE 20. Hemijassa goniamera (Walker, 1903). Variation in setation of antenna 2 and shape of the gnathopod 2 palm in three males. A, D: male, 22 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 049, IG28520, 30 January 1998, Agassiz trawl beginning at 246 m depth, 70.0145°S, 10.00806°W, C. De Broyer and Y. Scailteur, coll. (RBINS). B, E: male, 21 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 062, IG28252, 31 January 1998, Agassiz trawl beginning at 248 m depth, 70.01461°S, 10.00794°W, C. De Broyer and Y. Scailteur, coll. (RBINS). C, F: male, 22 mm, Stn. 062. IG28252. All views lateral. Scale 1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496063/files/figure.png	https://doi.org/10.5281/zenodo.4496063	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
03DFE565EA40D454FF133270D0F8FF10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4496099/files/figure.png	https://doi.org/10.5281/zenodo.4496099	FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm.	FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm.	2021-02-03	Conlan, Kathleen E.		Zenodo	biologists	Conlan, Kathleen E.			
