taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
4E3F87EAF421FFAEF89BFB51FC55DE80.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298283/files/figure.png	https://doi.org/10.5281/zenodo.5298283	FIGURE 3. Ceratonereis mirabilis Kinberg, 1865. Syntypes A, B (SMNH 456); non-types C–E (MNHN A886). A, whole fragments, dorsal view. B, anterior end, dorsal view (arrow tips point pyriform papillae in areas VI). C, whole specimen, dorsal view. D–E, anterior end, dorsal view. Scale bars: A, B, E, 0.5 mm; C, D, 1 mm.	FIGURE 3. Ceratonereis mirabilis Kinberg, 1865. Syntypes A, B (SMNH 456); non-types C–E (MNHN A886). A, whole fragments, dorsal view. B, anterior end, dorsal view (arrow tips point pyriform papillae in areas VI). C, whole specimen, dorsal view. D–E, anterior end, dorsal view. Scale bars: A, B, E, 0.5 mm; C, D, 1 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF421FFAEF89BFB51FC55DE80.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298285/files/figure.png	https://doi.org/10.5281/zenodo.5298285	FIGURE 4. Ceratonereis mirabilis Kinberg, 1865. Non-types A–M (MNHN A886). A, notopodial short-bossed heterogomph spiniger, chaetiger 23. B, notopodial heterogomph short-bossed falciger, chaetiger 23. C, notopodial short-bossed heterogomph falcigers, chaetiger 33. D, supra-acicular long-bossed heterogomph falciger, chaetiger 23. E, sub-acicular long-bossed heterogomph falciger, chaetiger 23. F, supra-acicular long-bossed heterogomph falciger, chaetiger 33. G, sub-acicular longbossed heterogomph falciger, chaetiger 33. H, left jaw, dorsal view. I, chaetiger 2, right parapodium. J, chaetiger 7, right parapodium. K, chaetiger 13, left parapodium. L, chaetiger 23, left parapodium. M, chaetiger 33, left parapodium (ventral cirrus incomplete). Scale bars: A–G, 10 µm; H–M, 0.1 mm.	FIGURE 4. Ceratonereis mirabilis Kinberg, 1865. Non-types A–M (MNHN A886). A, notopodial short-bossed heterogomph spiniger, chaetiger 23. B, notopodial heterogomph short-bossed falciger, chaetiger 23. C, notopodial short-bossed heterogomph falcigers, chaetiger 33. D, supra-acicular long-bossed heterogomph falciger, chaetiger 23. E, sub-acicular long-bossed heterogomph falciger, chaetiger 23. F, supra-acicular long-bossed heterogomph falciger, chaetiger 33. G, sub-acicular longbossed heterogomph falciger, chaetiger 33. H, left jaw, dorsal view. I, chaetiger 2, right parapodium. J, chaetiger 7, right parapodium. K, chaetiger 13, left parapodium. L, chaetiger 23, left parapodium. M, chaetiger 33, left parapodium (ventral cirrus incomplete). Scale bars: A–G, 10 µm; H–M, 0.1 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42DFFA8F89BFCE4FB45DA1C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298289/files/figure.png	https://doi.org/10.5281/zenodo.5298289	FIGURE 5. Ceratonereis gracilis (Webster, 1884) reinst. Syntypes of Nereis gracilis Webster, 1884 A, B (USNM 4787); non-type C, D (USNM 1490820), E–G (USNM 1490818), H (USNM 1490819). A, whole fragments, dorsal view. B, anterior end, dorsal view. C, pharynx, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). D, pharynx, ventral view. E, anterior end, dorsal view. F, posterior end, dorsal view. G, whole specimen, dorsal view. H, anterior end, dorsal view. Scale bars: A, E, 1 mm; G, 2 mm; B–D, F, H, 0.5 mm.	FIGURE 5. Ceratonereis gracilis (Webster, 1884) reinst. Syntypes of Nereis gracilis Webster, 1884 A, B (USNM 4787); non-type C, D (USNM 1490820), E–G (USNM 1490818), H (USNM 1490819). A, whole fragments, dorsal view. B, anterior end, dorsal view. C, pharynx, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). D, pharynx, ventral view. E, anterior end, dorsal view. F, posterior end, dorsal view. G, whole specimen, dorsal view. H, anterior end, dorsal view. Scale bars: A, E, 1 mm; G, 2 mm; B–D, F, H, 0.5 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42DFFA8F89BFCE4FB45DA1C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298291/files/figure.png	https://doi.org/10.5281/zenodo.5298291	FIGURE 6. Ceratonereis gracilis (Webster, 1884) reinst. Non-types A (USNM 1490819), B–H (USNM 1490818). A, left jaws, dorsal view. B, chaetiger 2, left parapodium. C, chaetiger 7, left parapodium. D, chaetiger 13, left parapodium. E, chaetiger 23, left parapodium. F, chaetiger 42, left parapodium. G, chaetiger 60, left parapodium. H, chaetiger 71, left parapodium. Scale bars: A, 0.1 mm; B–H, 0.2 mm.	FIGURE 6. Ceratonereis gracilis (Webster, 1884) reinst. Non-types A (USNM 1490819), B–H (USNM 1490818). A, left jaws, dorsal view. B, chaetiger 2, left parapodium. C, chaetiger 7, left parapodium. D, chaetiger 13, left parapodium. E, chaetiger 23, left parapodium. F, chaetiger 42, left parapodium. G, chaetiger 60, left parapodium. H, chaetiger 71, left parapodium. Scale bars: A, 0.1 mm; B–H, 0.2 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42DFFA8F89BFCE4FB45DA1C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298293/files/figure.png	https://doi.org/10.5281/zenodo.5298293	FIGURE 7. Ceratonereis gracilis (Webster, 1884) reinst. Syntypes of Nereis gracilis Webster, 1884 A–C (USNM 4787); nontype D–J(USNM 1490819). A, chaetiger 3, right parapodium.B, chaetiger 8, right parapodium. C, chaetiger 16, right parapodium. D, notopodial short-bossed heterogomph falciger, chaetiger 23. E, notopodial short-bossed heterogomph falciger, chaetiger 30. F, notopodial sshort-bossed heterogomph falciger, chaetiger 40. G, supra-acicular long-bossed heterogomph falciger, chaetiger 23. H, sub-acicular long-bossed heterogomph falcigers, chaetiger 23. I, sub-acicular long-bossed heterogomph falcigers, chaetiger 40. J, sub-acicular long-bossed heterogomph falcigers, chaetiger 57. Scale bars: A–C, 0.2 mm; D–J, 10 µm.	FIGURE 7. Ceratonereis gracilis (Webster, 1884) reinst. Syntypes of Nereis gracilis Webster, 1884 A–C (USNM 4787); nontype D–J(USNM 1490819). A, chaetiger 3, right parapodium.B, chaetiger 8, right parapodium. C, chaetiger 16, right parapodium. D, notopodial short-bossed heterogomph falciger, chaetiger 23. E, notopodial short-bossed heterogomph falciger, chaetiger 30. F, notopodial sshort-bossed heterogomph falciger, chaetiger 40. G, supra-acicular long-bossed heterogomph falciger, chaetiger 23. H, sub-acicular long-bossed heterogomph falcigers, chaetiger 23. I, sub-acicular long-bossed heterogomph falcigers, chaetiger 40. J, sub-acicular long-bossed heterogomph falcigers, chaetiger 57. Scale bars: A–C, 0.2 mm; D–J, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42DFFA8F89BFCE4FB45DA1C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298295/files/figure.png	https://doi.org/10.5281/zenodo.5298295	FIGURE 8. Ceratonereis gracilis (Webster, 1884) reinst. Non-type female A (AMNH 556); non-type male B–J (AMNH 2538). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, anterior end, dorsal view. D, posterior end, dorsal view. E, chaetiger 2, right parapodium. F, chaetiger 7, right parapodium. G, chaetiger 17, right parapodium. H, chaetiger 32, right parapodium. I, chaetiger 41, right parapodium. J, chaetiger 66, right parapodium. Scale bars: A, B, 2 mm; C, D, 0.5 mm; E–H, 0.2 mm; I, J, 0.1 mm.	FIGURE 8. Ceratonereis gracilis (Webster, 1884) reinst. Non-type female A (AMNH 556); non-type male B–J (AMNH 2538). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, anterior end, dorsal view. D, posterior end, dorsal view. E, chaetiger 2, right parapodium. F, chaetiger 7, right parapodium. G, chaetiger 17, right parapodium. H, chaetiger 32, right parapodium. I, chaetiger 41, right parapodium. J, chaetiger 66, right parapodium. Scale bars: A, B, 2 mm; C, D, 0.5 mm; E–H, 0.2 mm; I, J, 0.1 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42BFFB7F89BF958FD31DE54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298297/files/figure.png	https://doi.org/10.5281/zenodo.5298297	FIGURE 9. Ceratonereis longicirrata Perkins, 1980. Holotype A–C (USNM 58740); non-type D, E (ECOSUR P1164); non-type F (ECOSUR P3190). A, anterior end, dorsal view. B, whole specimen, dorsal view. C, posterior end, dorsal view. D, anterior end, dorsal view. E, pharynx, dorsal view. F, pharynx, ventral view (arrow tips point rounded papillae in areas VI). Scale bars: A, C, D, 0.5 mm; B, 1 mm; E, F, 0.5 mm.	FIGURE 9. Ceratonereis longicirrata Perkins, 1980. Holotype A–C (USNM 58740); non-type D, E (ECOSUR P1164); non-type F (ECOSUR P3190). A, anterior end, dorsal view. B, whole specimen, dorsal view. C, posterior end, dorsal view. D, anterior end, dorsal view. E, pharynx, dorsal view. F, pharynx, ventral view (arrow tips point rounded papillae in areas VI). Scale bars: A, C, D, 0.5 mm; B, 1 mm; E, F, 0.5 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF42BFFB7F89BF958FD31DE54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298299/files/figure.png	https://doi.org/10.5281/zenodo.5298299	FIGURE 10. Ceratonereis longicirrata Perkins, 1980. Non-type A–L (ECOSUR P1164). A, chaetiger 2, right parapodium. B, chaetiger 3, right parapodium (dorsal cirrus incomplete). C, chaetiger 10, right parapodium. D, chaetiger 17, right parapodium. E, chaetiger 19, right parapodium. F, chaetiger 28, right parapodium. G, chaetiger 53, right parapodium. H, chaetiger 65, right parapodium. I, left jaw, dorsal view. J, notopodial short-bossed heterogomph falciger, chaetiger 19. K, sub-acicular long-bossed heterogomph falciger, chaetiger 17. L, sub-acicular long-bossed heterogomph falciger, chaetiger 19. Scale bars: A–H, 0.1 mm; I, 0.2 mm; J–L, 10 µm.	FIGURE 10. Ceratonereis longicirrata Perkins, 1980. Non-type A–L (ECOSUR P1164). A, chaetiger 2, right parapodium. B, chaetiger 3, right parapodium (dorsal cirrus incomplete). C, chaetiger 10, right parapodium. D, chaetiger 17, right parapodium. E, chaetiger 19, right parapodium. F, chaetiger 28, right parapodium. G, chaetiger 53, right parapodium. H, chaetiger 65, right parapodium. I, left jaw, dorsal view. J, notopodial short-bossed heterogomph falciger, chaetiger 19. K, sub-acicular long-bossed heterogomph falciger, chaetiger 17. L, sub-acicular long-bossed heterogomph falciger, chaetiger 19. Scale bars: A–H, 0.1 mm; I, 0.2 mm; J–L, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF437FFB0F89BFF6CFDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298301/files/figure.png	https://doi.org/10.5281/zenodo.5298301	FIGURE 11. Ceratonereis maya n. sp. Holotype A, B, D–F (ECOSUR 0245); paratype C (ECOSUR 0247). A, anterior end dorsal view. B posterior end, dorsal view. C, anterior end, dorsal view. D, close-up of prostomium, dorsal view. E, pharynx, dorsal view (arrow tips point rounded papillae in areas VI). F, pharynx, ventral view. Scale bars: A, 1 mm; B–F, 0.5 mm.	FIGURE 11. Ceratonereis maya n. sp. Holotype A, B, D–F (ECOSUR 0245); paratype C (ECOSUR 0247). A, anterior end dorsal view. B posterior end, dorsal view. C, anterior end, dorsal view. D, close-up of prostomium, dorsal view. E, pharynx, dorsal view (arrow tips point rounded papillae in areas VI). F, pharynx, ventral view. Scale bars: A, 1 mm; B–F, 0.5 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF437FFB0F89BFF6CFDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298303/files/figure.png	https://doi.org/10.5281/zenodo.5298303	FIGURE 12. Ceratonereis maya n. sp. Holotype A–E, I–O (ECOSUR 0245); paratype F–H (ECOSUR 0247). A, chaetiger 1, right parapodium. B, chaetiger 12, right parapodium. C, chaetiger 30, right parapodium. D, chaetiger 81, right parapodium. E, chaetiger 121, right parapodium. F, chaetiger 52, right parapodium. G, chaetiger 65, right parapodium. H, left jaw, dorsal view. I, notopodial short-bossed heterogomph falciger, chaetiger 29. J, notopodial short-bossed heterogomph falciger, chaetiger 121. K, notopodial short-bossed heterogomph spiniger, chaetiger 121. L, sub-acicular long-bossed heterogomph falcigers, chaetiger 29. M, supra-acicular long-bossed heterogomph falciger, chaetiger 121. N, sub-acicular long-bossed heterogomph spiniger, chaetiger 121. O, sub-acicular long-bossed heterogomph falciger, chaetiger 121. Scale bars: A–D, G, H, 0.3 mm; E, 0.5 mm; F, 0.2 mm; I–O, 10 µm.	FIGURE 12. Ceratonereis maya n. sp. Holotype A–E, I–O (ECOSUR 0245); paratype F–H (ECOSUR 0247). A, chaetiger 1, right parapodium. B, chaetiger 12, right parapodium. C, chaetiger 30, right parapodium. D, chaetiger 81, right parapodium. E, chaetiger 121, right parapodium. F, chaetiger 52, right parapodium. G, chaetiger 65, right parapodium. H, left jaw, dorsal view. I, notopodial short-bossed heterogomph falciger, chaetiger 29. J, notopodial short-bossed heterogomph falciger, chaetiger 121. K, notopodial short-bossed heterogomph spiniger, chaetiger 121. L, sub-acicular long-bossed heterogomph falcigers, chaetiger 29. M, supra-acicular long-bossed heterogomph falciger, chaetiger 121. N, sub-acicular long-bossed heterogomph spiniger, chaetiger 121. O, sub-acicular long-bossed heterogomph falciger, chaetiger 121. Scale bars: A–D, G, H, 0.3 mm; E, 0.5 mm; F, 0.2 mm; I–O, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF437FFB0F89BFF6CFDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298279/files/figure.png	https://doi.org/10.5281/zenodo.5298279	FIGURE 1. Maps with the locations of the examined material. A, Caribbean Sea, Gulf of Mexico, and a section of the Sargasso Sea. B, Mexican Eastern Tropical Pacific. C, Brazilian Western Atlantic.	FIGURE 1. Maps with the locations of the examined material. A, Caribbean Sea, Gulf of Mexico, and a section of the Sargasso Sea. B, Mexican Eastern Tropical Pacific. C, Brazilian Western Atlantic.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF433FFBBF89BFE68FDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298281/files/figure.png	https://doi.org/10.5281/zenodo.5298281	FIGURE 2. Morphology of Ceratonereis species. A, anterior end, lateral view from an epitoke male specimen of C. singularis (AMNH 1950). B, distal view of chaetiger 12 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). C, notopodium (upper) and neuropodium (lower) of a middle chaetiger of natatory region from an epitoke specimen of C. singularis (AMNH 1950). D, anterior (right) and posterior (left) view of chaetiger 6 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). Scale bars:A, 1 mm; B, 0.2 mm; C, D, 0.1 mm.Abbreviations: (An) antenna, (Cp) cirrophores, (Cr) cirrostyle, (Dc) dorsal cirrus, (DoL) dorsal ligule, (Inf) infra-acicular neurochaetae, (InL) neuropodial inferior lobe, (LVc) lower lamella of ventral cirrus, (MeL) median ligule, (NeL) neuroacicular ligule, (Not) notochaetae, (PoL) neuropodial postchaetal lobe, (Pp) palpophores, (Pr) prostomium, (PreL) notopodial prechaetal lobe, (Ps) palpostyle, (Sup) supra-acicular neurochaetae, (UDc) upper lamellaof dorsal cirrus, (UVc) upper lamella of ventral cirrus, (Vc) ventral cirrus, (VeL) ventral ligule, (VeLa) ventral lamella (postchaetal lobe).	FIGURE 2. Morphology of Ceratonereis species. A, anterior end, lateral view from an epitoke male specimen of C. singularis (AMNH 1950). B, distal view of chaetiger 12 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). C, notopodium (upper) and neuropodium (lower) of a middle chaetiger of natatory region from an epitoke specimen of C. singularis (AMNH 1950). D, anterior (right) and posterior (left) view of chaetiger 6 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). Scale bars:A, 1 mm; B, 0.2 mm; C, D, 0.1 mm.Abbreviations: (An) antenna, (Cp) cirrophores, (Cr) cirrostyle, (Dc) dorsal cirrus, (DoL) dorsal ligule, (Inf) infra-acicular neurochaetae, (InL) neuropodial inferior lobe, (LVc) lower lamella of ventral cirrus, (MeL) median ligule, (NeL) neuroacicular ligule, (Not) notochaetae, (PoL) neuropodial postchaetal lobe, (Pp) palpophores, (Pr) prostomium, (PreL) notopodial prechaetal lobe, (Ps) palpostyle, (Sup) supra-acicular neurochaetae, (UDc) upper lamellaof dorsal cirrus, (UVc) upper lamella of ventral cirrus, (Vc) ventral cirrus, (VeL) ventral ligule, (VeLa) ventral lamella (postchaetal lobe).	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF433FFBBF89BFE68FDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298305/files/figure.png	https://doi.org/10.5281/zenodo.5298305	FIGURE 13. Ceratonereis nancyae n. sp. Holotype A–C (ECOSUR 0248); non-type D (ECOSUR P3112); non-type E (ECOSUR P3113). A, whole specimen, dorsal view. B, posterior end, dorsal view. C, anterior end, dorsal view. D, anterior end, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). E, anterior end, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). Scale bars: A, 1 mm; B–E, 0.5 mm.	FIGURE 13. Ceratonereis nancyae n. sp. Holotype A–C (ECOSUR 0248); non-type D (ECOSUR P3112); non-type E (ECOSUR P3113). A, whole specimen, dorsal view. B, posterior end, dorsal view. C, anterior end, dorsal view. D, anterior end, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). E, anterior end, dorsal view (arrow tips point slightly lamelliform papillae in areas VI). Scale bars: A, 1 mm; B–E, 0.5 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF433FFBBF89BFE68FDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298307/files/figure.png	https://doi.org/10.5281/zenodo.5298307	FIGURE 14. Ceratonereis nancyae n. sp. Holotype A–E, K–O (ECOSUR 0248); paratype F–J, P, Q (ECOSUR 0249). A, chaetiger 2, left parapodium. B, chaetiger 8, left parapodium. C, chaetiger 17, left parapodium. D, chaetiger 39, left parapodium. E, chaetiger 57, left parapodium. F, chaetiger 2, right parapodium. G, chaetiger 3, right parapodium. H, chaetiger 10, right parapodium. I, chaetiger 25, right parapodium. J, chaetiger 44, right parapodium. K, notopodial short-bossed heterogomph falciger, chaetiger 39. L, notopodial short-bossed heterogomph falciger, chaetiger 60. M, sub-acicular long-bossed heterogomph falciger, chaetiger 2. N, supra-acicular long-bossed heterogomph falciger,chaetiger 39.O, sub-acicular long-bossed heterogomph falciger, chaetiger 39. P, sub-acicular long-bossed heterogomph falciger, chaetiger 57. Q, left jaw, dorsal view. Scale bars:A–E, 0.2 mm; F–J, 0.3 mm; K–P, 20 µm; Q, 0.2 mm.	FIGURE 14. Ceratonereis nancyae n. sp. Holotype A–E, K–O (ECOSUR 0248); paratype F–J, P, Q (ECOSUR 0249). A, chaetiger 2, left parapodium. B, chaetiger 8, left parapodium. C, chaetiger 17, left parapodium. D, chaetiger 39, left parapodium. E, chaetiger 57, left parapodium. F, chaetiger 2, right parapodium. G, chaetiger 3, right parapodium. H, chaetiger 10, right parapodium. I, chaetiger 25, right parapodium. J, chaetiger 44, right parapodium. K, notopodial short-bossed heterogomph falciger, chaetiger 39. L, notopodial short-bossed heterogomph falciger, chaetiger 60. M, sub-acicular long-bossed heterogomph falciger, chaetiger 2. N, supra-acicular long-bossed heterogomph falciger,chaetiger 39.O, sub-acicular long-bossed heterogomph falciger, chaetiger 39. P, sub-acicular long-bossed heterogomph falciger, chaetiger 57. Q, left jaw, dorsal view. Scale bars:A–E, 0.2 mm; F–J, 0.3 mm; K–P, 20 µm; Q, 0.2 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF433FFBBF89BFE68FDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298309/files/figure.png	https://doi.org/10.5281/zenodo.5298309	FIGURE 15. Ceratonereis nancyae n. sp. Non-types A, C, D (ECOSUR P1152); B, E (ECOSUR P1156). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, posterior end, dorsal view. D, anterior end, dorsal view. E, anterior end, dorsal view. Scale bars: A, B, 1 mm; C–E, 0.25 mm.	FIGURE 15. Ceratonereis nancyae n. sp. Non-types A, C, D (ECOSUR P1152); B, E (ECOSUR P1156). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, posterior end, dorsal view. D, anterior end, dorsal view. E, anterior end, dorsal view. Scale bars: A, B, 1 mm; C–E, 0.25 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF433FFBBF89BFE68FDECDD0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298311/files/figure.png	https://doi.org/10.5281/zenodo.5298311	FIGURE 16. Ceratonereis nancyae n. sp. Non-types (ECOSUR P1152). A, chaetiger 2, right parapodium. B, chaetiger 3, right parapodium.C, chaetiger 49, right parapodium. D, chaetiger 7, right parapodium. E, chaetiger 30, right parapodium. F, chaetiger 24, right parapodium, anterior (right) and posterior (left) views. Labels: (1) upper lamella of dorsal cirrus, (2) dorsal cirrus, (3) dorsal ligule, (4) notopodial prechaetal lobe, (5) median ligule, (6) neuroacicular ligule, (7) ventral lamella (postchaetal lobe), (8) ventral ligule, (9) upper lamella of ventral cirrus, (10) lower lamella of ventral cirrus. Scale bars: A–E, 0.1 mm; F, 0.2 mm.	FIGURE 16. Ceratonereis nancyae n. sp. Non-types (ECOSUR P1152). A, chaetiger 2, right parapodium. B, chaetiger 3, right parapodium.C, chaetiger 49, right parapodium. D, chaetiger 7, right parapodium. E, chaetiger 30, right parapodium. F, chaetiger 24, right parapodium, anterior (right) and posterior (left) views. Labels: (1) upper lamella of dorsal cirrus, (2) dorsal cirrus, (3) dorsal ligule, (4) notopodial prechaetal lobe, (5) median ligule, (6) neuroacicular ligule, (7) ventral lamella (postchaetal lobe), (8) ventral ligule, (9) upper lamella of ventral cirrus, (10) lower lamella of ventral cirrus. Scale bars: A–E, 0.1 mm; F, 0.2 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF438FF85F89BFE68FDDBDE70.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298281/files/figure.png	https://doi.org/10.5281/zenodo.5298281	FIGURE 2. Morphology of Ceratonereis species. A, anterior end, lateral view from an epitoke male specimen of C. singularis (AMNH 1950). B, distal view of chaetiger 12 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). C, notopodium (upper) and neuropodium (lower) of a middle chaetiger of natatory region from an epitoke specimen of C. singularis (AMNH 1950). D, anterior (right) and posterior (left) view of chaetiger 6 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). Scale bars:A, 1 mm; B, 0.2 mm; C, D, 0.1 mm.Abbreviations: (An) antenna, (Cp) cirrophores, (Cr) cirrostyle, (Dc) dorsal cirrus, (DoL) dorsal ligule, (Inf) infra-acicular neurochaetae, (InL) neuropodial inferior lobe, (LVc) lower lamella of ventral cirrus, (MeL) median ligule, (NeL) neuroacicular ligule, (Not) notochaetae, (PoL) neuropodial postchaetal lobe, (Pp) palpophores, (Pr) prostomium, (PreL) notopodial prechaetal lobe, (Ps) palpostyle, (Sup) supra-acicular neurochaetae, (UDc) upper lamellaof dorsal cirrus, (UVc) upper lamella of ventral cirrus, (Vc) ventral cirrus, (VeL) ventral ligule, (VeLa) ventral lamella (postchaetal lobe).	FIGURE 2. Morphology of Ceratonereis species. A, anterior end, lateral view from an epitoke male specimen of C. singularis (AMNH 1950). B, distal view of chaetiger 12 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). C, notopodium (upper) and neuropodium (lower) of a middle chaetiger of natatory region from an epitoke specimen of C. singularis (AMNH 1950). D, anterior (right) and posterior (left) view of chaetiger 6 from an atoke specimen of C. nancyae n. sp. (ECOSUR P3194). Scale bars:A, 1 mm; B, 0.2 mm; C, D, 0.1 mm.Abbreviations: (An) antenna, (Cp) cirrophores, (Cr) cirrostyle, (Dc) dorsal cirrus, (DoL) dorsal ligule, (Inf) infra-acicular neurochaetae, (InL) neuropodial inferior lobe, (LVc) lower lamella of ventral cirrus, (MeL) median ligule, (NeL) neuroacicular ligule, (Not) notochaetae, (PoL) neuropodial postchaetal lobe, (Pp) palpophores, (Pr) prostomium, (PreL) notopodial prechaetal lobe, (Ps) palpostyle, (Sup) supra-acicular neurochaetae, (UDc) upper lamellaof dorsal cirrus, (UVc) upper lamella of ventral cirrus, (Vc) ventral cirrus, (VeL) ventral ligule, (VeLa) ventral lamella (postchaetal lobe).	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF438FF85F89BFE68FDDBDE70.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298313/files/figure.png	https://doi.org/10.5281/zenodo.5298313	FIGURE 17. Ceratonereis singularis Treadwell, 1929. Holotype A, C–E (AMNH 1986); non-type B, F–G (AMNH 1950). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, anterior end, dorsal view. D, posterior end, dorsal view. E, pharynx, frontal view. F, pharynx, dorsal view (arrow tips point rounded papillae in areas VI). G, pharynx, ventral view. Scale bars: A, C, 3mm; B, D, 2 mm; E–G, 0.5 mm.	FIGURE 17. Ceratonereis singularis Treadwell, 1929. Holotype A, C–E (AMNH 1986); non-type B, F–G (AMNH 1950). A, whole specimen, dorsal view. B, whole specimen, dorsal view. C, anterior end, dorsal view. D, posterior end, dorsal view. E, pharynx, frontal view. F, pharynx, dorsal view (arrow tips point rounded papillae in areas VI). G, pharynx, ventral view. Scale bars: A, C, 3mm; B, D, 2 mm; E–G, 0.5 mm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF438FF85F89BFE68FDDBDE70.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298315/files/figure.png	https://doi.org/10.5281/zenodo.5298315	FIGURE 18. Ceratonereis singularis Treadwell, 1929. Non-type A–I (AMNH 1950). A, chaetiger 7, right parapodium. B, chaetiger 14, right parapodium. C, chaetiger 17, right parapodium. D, chaetiger 30, right parapodium. E, chaetiger 48, right parapodium. F, chaetiger 63, right parapodium. G, left jaw, dorsal view. H, supra-acicular long-bossed heterogomph falciger, chaetiger 14. I, sub-acicular long-bossed heterogomph falciger, chaetiger 14. Scale bars: A–E, 0.2 mm; F, 0.1 mm; G, 0.5 mm; H, I, 10 µm.	FIGURE 18. Ceratonereis singularis Treadwell, 1929. Non-type A–I (AMNH 1950). A, chaetiger 7, right parapodium. B, chaetiger 14, right parapodium. C, chaetiger 17, right parapodium. D, chaetiger 30, right parapodium. E, chaetiger 48, right parapodium. F, chaetiger 63, right parapodium. G, left jaw, dorsal view. H, supra-acicular long-bossed heterogomph falciger, chaetiger 14. I, sub-acicular long-bossed heterogomph falciger, chaetiger 14. Scale bars: A–E, 0.2 mm; F, 0.1 mm; G, 0.5 mm; H, I, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF438FF85F89BFE68FDDBDE70.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298317/files/figure.png	https://doi.org/10.5281/zenodo.5298317	FIGURE 19. Ceratonereis singularis Treadwell,1929.Non-types A (LACM-AHF 7414); B, H (LACM-AHF 7410); C (LACM- AHF 7416); D–G (LACM-AHF 7411); I–L (LACM-AHF 7408). A, anterior end, dorsal view. B, posterior end, dorsal view. C, right jaw, dorsal view. D, chaetiger 1, right parapodium. E, chaetiger 10, right parapodium. F, chaetiger 29, right parapodium. G, chaetiger 44, right parapodium. H, right parapodium from posterior chaetiger. I, notopodial short-bossed heterogomph falciger, chaetiger 59. J, supra-acicular long-bossed heterogomph falciger, chaetiger 59. K and L, sub-acicular long-bossed heterogomph falcigers, chaetiger 59. Scale bars: A, B, 1 mm; C–H, 0.2 mm; I–L, 10 µm.	FIGURE 19. Ceratonereis singularis Treadwell,1929.Non-types A (LACM-AHF 7414); B, H (LACM-AHF 7410); C (LACM- AHF 7416); D–G (LACM-AHF 7411); I–L (LACM-AHF 7408). A, anterior end, dorsal view. B, posterior end, dorsal view. C, right jaw, dorsal view. D, chaetiger 1, right parapodium. E, chaetiger 10, right parapodium. F, chaetiger 29, right parapodium. G, chaetiger 44, right parapodium. H, right parapodium from posterior chaetiger. I, notopodial short-bossed heterogomph falciger, chaetiger 59. J, supra-acicular long-bossed heterogomph falciger, chaetiger 59. K and L, sub-acicular long-bossed heterogomph falcigers, chaetiger 59. Scale bars: A, B, 1 mm; C–H, 0.2 mm; I–L, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
4E3F87EAF438FF85F89BFE68FDDBDE70.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5298319/files/figure.png	https://doi.org/10.5281/zenodo.5298319	FIGURE 20. Platynereis singularis (Treadwell, 1943) n. comb. Holotype A–C, E (USNM 20092); paratype D (AMNH 2129). A, anterior end, dorsal view. B, close-up of the same. C, posterior end, dorsal view. D, whole specimen, dorsal view. E, notopodial homogomph spiniger (left) and falciger (right) from middle chaetiger. Scale bars: A, D, 0.5 mm; B, C, 0.25 mm; E, 10 µm.	FIGURE 20. Platynereis singularis (Treadwell, 1943) n. comb. Holotype A–C, E (USNM 20092); paratype D (AMNH 2129). A, anterior end, dorsal view. B, close-up of the same. C, posterior end, dorsal view. D, whole specimen, dorsal view. E, notopodial homogomph spiniger (left) and falciger (right) from middle chaetiger. Scale bars: A, D, 0.5 mm; B, C, 0.25 mm; E, 10 µm.	2021-08-26	Conde-Vela, Víctor Manuel		Zenodo	biologists	Conde-Vela, Víctor Manuel			
