taxonID	type	description	language	source
786F2952FC3A334CA22BFE8F5F6F6773.taxon	materials_examined	Type locality. Lac en Huit, on gorse near the river (altitude 244 m), New Caledonia. Ecological type. Riparian-hopper. Habitat. Freshwater. Among gorse, near the shore (Chevreux, 1915). Seems to be an aquatic form, having always been collected in shallow water (Ruffo & Vesentini Paiotta, 1972).	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3A334CA22BFE8F5F6F6773.taxon	distribution	Distribution. New Caledonia (Chevreux, 1915).	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA02AFB685FF5624B.taxon	description	Lectotype: Female (23 mm; ethanol and 10 slides of antenna 1 – 2 / mouthparts / gnathopods / pereopods 1, 3 and 5 (broken) / pleopods 1 – 3 / pleopod 2 / pleopod 3 / pereopods 2 – 4 / uropods 1 – 2 / uropod 3, telson), MNHN-IU- 2013 - 19694, New Caledonia, Mount Canala, 800 – 1000 m. Paralectotypes (all New Caledonia): 2 specimens, juvenile (undissected ethanol), west coast of New Caledonia, G. Dupuis coll., 1888, MNHN-IU- 2013 - 19695; 4 specimens (undissected ethanol), Mount Canala, 700 m, MNHN-IU- 2013 - 19696; 6 specimens (males and females) (undissected ethanol), Mount Humboldt, MNHN-IU- 2013 - 19697; 1 female (dissected, ethanol, and 1 slide, gnathopod 1), Mount Canala, 700 m, MNHN-IU- 2013 - 19698; 1 male, 9 mm (4 slides of head / gnathopods / pereopod 5 / pleopod 3, uropod 1 – 2), Mount Humboldt 1100 m, MNHN-IU- 2013 - 19699.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA02AFB685FF5624B.taxon	materials_examined	Type locality. Mt Canala, 800 – 1000 m, under rotten leaves. Ecological type. Forest-hopper. Habitat. Living under rotten leaves at 200 – 1000 m altitude. Distribution. New Caledonia: Tchalabel; Oubatche; Mt Ignambi, forest 600 m altitude; Hienghiène; Mt Panié, forest, 500 – 1600 m altitude; Coné; Vallée de la Tiouaca; Mt Canala, 700 – 1000 m; Mt Humboldt, 1100 – 1600 m altitude; Ngoï Valley, forest, 200 m altitude; Yaté. Loyalty Islands: M: area, Kaoua (Chevreux, 1915).	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA19EFF5058C86782.taxon	description	Lectotype: Female (undissected, ethanol), MNHN-IU- 2013 - 19689, summit of Mount Ignambi, 1300 m, coll. F. Sarasin & J. Roux, 15 April 1911. Paralectotypes: 2 specimens (undissected, ethanol), MNHN-IU- 2013 - 19690, summit of Mount Ignambi, 1300 m; 1 female (labelled as female A by Chevreux; head in ethanol and 11 slides of maxillae 1 – 2 left and right, gnathopods, pereopods 3 – 7, pleopods 1 – 3, uropods, and telson), MNHN-IU- 2013 - 19691; 1 female (labelled as female B by Chevreux; ethanol and 2 slides of mouthparts, gnathopods 1, 2 and branchiae), MNHN-IU- 2013 - 19692; 1 male (2 slides, antennae 1 – 2, maxilla 1, maxillipeds and gnathopods), MNHN-IU- 2013 - 19693, Ignambi Forest.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA19EFF5058C86782.taxon	materials_examined	Type locality. Mt Ignambi, forest, 700 – 1300 m altitude, north-eastern New Caledonia. Ecological type. Forest-hopper. Habitat. Forest floors at 700 – 800 m altitude.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA19EFF5058C86782.taxon	discussion	Remarks. Differs from Chiltonorchestia in its short antenna 1.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334BA19EFF5058C86782.taxon	distribution	Distribution. New Caledonia: Mt Ignambi (Chevreux, 1915); Farino; Pouembout (Iannilli & Ruffo, 2007). Talitridae Rafinesque, 1815 Talitrinae Rafinesque, 1815	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334AA258FE5F5B776274.taxon	type_taxon	Type species. Chroestia lota Marsden & Fenwick, 1984, monotypy. Included species. Chroestia amoa sp. nov., C. lota Marsden & Fenwick, 1985. Category. Mascupod. Ecological type. Beach-hoppers (mainly coastal supralittoral / intertidal leaf-litter / wrack, non-substrate modifying talitrids). Habitat. Chroestia is common in thick mats of Zostera and mangrove debris on a small sand-gravel beach at the top of an extensive mud flat area. Diagnostic description. Male (based on Marsden & Fenwick, 1985). Head. Eye medium (⅕ – ⅓ head length). Antenna 1 short, rarely longer than peduncular article 4 of antenna 2. Antenna 2 peduncular articles slender or slightly incrassate (expanded); article 3 without plate or process ventrally. Labrum epistome without robust setae. Mandible left lacinia mobilis 4 - cuspidate. Maxilliped outer margin of precoxa not stepped; palp article 2 with distomedial lobe; article 4 reduced, button shaped. Pereon. Gnathopod 1 sexually dimorphic; subchelate; posterior margin of carpus and propodus each with lobe covered in palmate setae; palm transverse. Gnathopod 2 subchelate; propodus palm acute; posterior margin of merus, carpus, and propodus each without lobe covered in palmate setae; dactylus attenuated distally. Pereopods 3 – 7 bi-cuspidactylate. Pereopod 4 dactylus thickened proximally with notch midway along posterior margin. Pereopod 5 dactylus long, slender, not inflated. Pereopod 6 not sexually dimorphic; shorter than pereopod 7. Pereopods 6 – 7 without row of short setae along posterior margin of the dactyli. Pereopod 7 not sexually dimorphic. Propodus without large distal tuft of setae. Pleon. Pleonites 1 – 3 without dorsal spines. Oostegites setae with curled tips. Pleopods 1 – 3 all well-developed. Epimera 1 – 3 slits absent. Uropod 1 peduncle distolateral robust seta present (large), with simple tip; rami without apical spear-shaped setae; outer ramus without marginal robust setae; inner ramus with marginal robust setae in 1 row. Uropod 2 rami without apical spear-shaped setae; outer ramus with marginal robust setae in 1 row; inner ramus with marginal robust setae in 1 row. Uropod 3 ramus shorter than peduncle. Telson longer than broad, tapering distally, apically incised, with marginal and apical robust setae, with 7 to 10 or more robust setae per lobe.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334AA258FE5F5B776274.taxon	discussion	Remarks. Chroestia is confined to Australia and New Caledonia which separated from each other about 65 million years ago (Coleman, 1980) and may indicate a possible minimal age for Chroestia, but also shows the morphological stability of species within the genus.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3D334AA258FE5F5B776274.taxon	distribution	Distribution. Australia: Lota, Queensland (Marsden & Fenwick, 1985). New Caledonia: Malabou andAmoa, Grand Terre (this paper).	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	description	Figs 2 – 4	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	materials_examined	Holotype: Male, 10.8 mm, AM P. 100369 (SEM pin and 4 SEM stubs), Malabou, Grand Terre, New Caledonia, 20 ° 17.530 ' S 164 ° 6.426 ' E, bay, supralittoral, sandy beach covered in wrack, mainly Zostera, coll. J. K. Lowry & L. Fanini, 31 December 2014. Paratypes: 1 female, AM P. 100370 (SEM pin and 1 SEM stub); 19 males, 22 females (wet specimens), AM P. 97473; 6 males, 3 females (wet specimens), AM P. 97474, same data as holotype. 3 males, 24 females (wet specimens), AM P. 97477, nearAmoa, Grand Terre, New Caledonia, 20 ° 45.713 ' S 165 ° 11.541 ' E, estuary supralittoral, sandy beach, coll. J. K. Lowry & L. Fanini, 2 January 2015. Type locality. Malabou, Grand Terre, New Caledonia (20 ° 45.713 ' S 165 ° 11.541 ' E), estuary supralittoral, sandy beach. Ecological type. Beach-hopper. Habitat. Estuary supralittoral, sandy beach.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	etymology	Etymology. Named for the town of Amoa, Grande Terre, New Caledonia.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	description	Description. Male (based on holotype, 10.8 mm, AM P. 100369). Head. Eye medium (⅕ – ⅓ head length). Antenna 1 short, not reaching midpoint of peduncular article 5 of antenna 2. Antenna 2 peduncular articles slender, with many small robust setae; article 1 enlarged, bulbous. Mandible left lacinia mobilis 4 - cuspidate. Maxilla 1 inner plate with 2 apical plumose setae; palp vestigial, 2 - articulate, without apical seta. Maxilla 2 inner plate with one large plumose seta along inner margin. Maxilliped palp broad, article 2 with distomedial lobe; article 4 reduced, button shaped. Pereon. Gnathopod 1 sexually dimorphic; subchelate; coxa much smaller than coxa 2; posterior margin of carpus and propodus each with lobe covered in palmate setae; carpus longer than propodus, length more than 2 × width; propodus anterior margin with 3 groups of robust setae, “ subtriangular ” with well-developed posterodistal lobe, palm transverse; dactylus simplidactylate. Gnathopod 2 subchelate; with distally rounded anterodistal lobe on medial surface; posterior margin of merus, carpus, and propodus each without lobe covered in palmate setae; propodus palm acute, evenly rounded, without proximal sinus, without large distal sinus, without proximal spine or thumb defining palm, without large projection near dactylar hinge; dactylus attenuated distally, slightly curved, subequal or slightly longer than palm; posterior margin smooth; shorter than posterior margin of propodus. Pereopods 3 – 7 dactyli cuspidactylate (bicuspidactylate), with anterodistal denticulate patch. Pereopod 4 significantly shorter than pereopod 3; carpus significantly shorter than carpus of pereopod 3; dactylus amplidactylate, thickened proximally with notch midway along posterior margin. Pereopod 5 short, less than ⅔ length of pereopod 6; merus broad, longer than broad, expanded distally. Pereopod 6 shorter than pereopod 7; not sexually dimorphic; coxa posterior lobe with anteroventral corner rounded, not produced; basis expanded. Pereopod 7 not sexually dimorphic; posterior margin with broad, small serrations, each with a small seta, posterodistal lobe present, shallow, broadly rounded; merus expanded distally, subtriangular, anterior margin straight; carpus unexpanded; subrectangular; shorter than propodus; propodus broad; length 6.6 × width. Oostegites (female) present, setae with curled tips. Pleon. Pleopods 1 – 3 all well-developed. Epimera 1 – 3 ventral margin without robust or slender setae. Uropod 1 peduncle distolateral robust seta present (large), large (¼ length of outer ramus), with simple tip; exopod without marginal robust setae; endopod with marginal robust setae in 1 row. Uropod 2 exopod with marginal robust setae in 1 row; endopod with marginal robust setae in 1 row. Uropod 3 ramus shorter than peduncle; peduncle with 1 or 2 very long robust setae dorsal margin, linear (narrowing). Telson as broad as long, tapering distally, completely cleft, with apical and marginal robust setae, with at least 10 robust setae per lobe. Female (sexually dimorphic characters). Based on paratype female, AM P. 100370. Gnathopod 1 posterior margin of merus, carpus, and propodus each without lobe covered in palmate setae. Propodus subrectangular, anterior margin with 2 groups of robust setae, palm acute; dactylus simple, longer than palm. Gnathopod 2 mitten-shaped; basis slightly expanded; ischium without lobe on anterior margin; posterior margin of merus, carpus, and propodus each with lobe covered in palmate setae. Carpus well developed (not enclosed by merus and propodus), posterior lobe present, projecting between merus and propodus. Palm obtuse, nearly straight. Dactylus curved, posterior margin smooth, shorter than palm. Oostegites long (length greater than 2 × width), longer than wide, setose, setae with curled tips.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	discussion	Remarks. This is the first record of Chroestia outside Australia. Chroestia amoa is very similar to C. lota Marsden & Fenwick, 1985 from Moreton Bay, Queensland, Australia. The main morphological difference between these species is the shape of the palm of male gnathopod 2, which is evenly rounded in C. amoa, but has a distinctive proximal sinus in C. lota.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C334AA034FE7159ED6563.taxon	distribution	Distribution. New Caledonia: Malabou and Amoa, Grand Terre.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	description	Figs 5 – 7	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	type_taxon	Type species. Thiorchestia caledoniana sp. nov., monotypy. Included species. Thiorchestia caledoniana sp. nov. Category. Mascupod. Ecological type. Beach-hopper. Habitat. Supralittoral zone of sandy beaches.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	etymology	Etymology. Named for Thio mission, Grande Terre, New Caledonia, the type locality and very first site visited by the authors, their son, and their hosts Bertrand and Paule. Gender feminine. Size. 9.8 mm.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	diagnosis	Diagnosis of male. Head. Antenna 1 slender or slightly incrassate. Gnathopod 1 subchelate; posterior margin of carpus and propodus each with palmate lobe; dactylus cuspidactylate. Pereopod 4 dactylus thickened proximally with notch along posterior margin. Epimera 1 – 3 without slits. Pleopods well developed. Uropod 1 exopod without marginal robust setae. Uropod 3 subequal in length to peduncle.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	discussion	Remarks. Thiorchestia is very similar to the Caribbean genus Tethorchestia Bousfield, 1984. The ramus of uropod 3 is subequal in length to the peduncle in Thiorchestia (shorter in Tethorchestia). Other differences are considered at species level and the genera are considered convergent.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3C3348A286F9625BF06452.taxon	distribution	Distribution. New Caledonia.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3E3345A26AF959599E6484.taxon	description	Figs 5 – 7	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3E3345A26AF959599E6484.taxon	materials_examined	Holotype: Male, 9.8 mm, AM P. 100367 (SEM pin and 3 SEM stubs), Thio mission, Grand Terre, New Caledonia, 21 ° 37.261 ' S 166 ° 15.598 ' E, supralittoral, and extended black sand beach with pumice, hand collection with entomological aspirator, J. K. Lowry & L. Fanini, 27 December 2014. Paratypes: 1 female, AM P. 100368 (SEM pin and 1 SEM stub), 1 male, 4 females (wet specimens), AM P. 105706, Thio mission, Grand Terre, New Caledonia, 21 ° 37.261 ' S 166 ° 15.598 ' E, supralittoral, and extended black sand beach with pumice, hand collection with entomological aspirator, J. K. Lowry & L. Fanini, 27 December 2014. Additional material examined. 4 males, 1 female, AM P. 97476, Mou, Grand Terre, New Caledonia, 21 ° 06.105 ' S 165 ° 26.924 ' E, estuary supralittoral, sandy beach, J. K. Lowry & L. Fanini, 2 January 2015. Type locality. Thio mission, Grand Terre, New Caledonia. Diagnostic description. Male. Head. Antenna 1 slender or slightly incrassate. Mandible lacinia mobilis 5 - cuspidate. Maxilliped palp article 2 with distomedial lobe; article 4 reduced, button shaped. Gnathopod 1 subchelate; posterior margin of carpus and propodus each with palmate lobe; dactylus cuspidactylate. Gnathopod 2 dactylus shortened distally, recurved. Pereopods 3 – 7 cuspidactylate (bicuspidactylate). Pereopod 4 dactylus thickened proximally with notch along posterior margin. Pereopod 7 not sexually dimorphic. Epimera 1 – 3 without slits. Pleopods well-developed. Uropod 1 exopod without marginal robust setae. Uropod 3 subequal in length to peduncle. Telson completely cleft with 6 marginal and apical robust setae. Female (sexually dimorphic characters; based on paratype, AM P. 100368). Gnathopod 1 posterior margin of merus, carpus, and propodus each without lobe covered in palmate setae. Propodus subrectangular, anterior margin with 4 groups of robust setae, palm acute. Dactylus simple, longer than palm. Gnathopod 2 mitten-shaped; basis slightly expanded; ischium without lobe on anterior margin. Posterior margin of carpus and propodus each with lobe covered in palmate setae. Carpus well developed (not enclosed by merus and propodus), posterior lobe present, projecting between merus and propodus; palm obtuse, nearly straight. Dactylus curved, posterior margin smooth, shorter than palm. Oostegites long (length greater than 2 × width), longer than wide, setose, setae with simple smooth tips.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC3E3345A26AF959599E6484.taxon	distribution	Distribution. New Caledonia: Thio mission and Mou, Grand Terre.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC323344A1A9F9495FC364C1.taxon	description	Neotype: Male, 16.5 mm, AM P. 87317, just north of Liku’alofa Beach Resort, Tongatapu, Tonga, 21 ° 04 ' 50.29 " S 175 ° 20 ' 39.10 " W, fine white sand on steep narrow beach.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC323344A1A9F9495FC364C1.taxon	materials_examined	Other material examined. 5 males (adults and juveniles), 4 females AM P. 97475, Thio mission, Grand Terre, New Caledonia, 21 ° 37.261 ' S 166 ° 15.598 ' E, supralittoral, and extended black sand beach with pumice, hand collection with entomological aspirator, J. K. Lowry & L. Fanini, 27 December 2014. Osaka Museum of Natural History New Caledonian	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC353343A08DFF515BE16411.taxon	materials_examined	Type locality. Just north of Liku’alofa Beach Resort, Tongatapu, Tonga, 21 ° 04 ' 50.29 " S 175 ° 20 ' 39.10 " W.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC353343A08DFF515BE16411.taxon	biology_ecology	Habitat. Under dried Turbinaria and other algae in the supralittoral zone.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC353343A08DFF515BE16411.taxon	discussion	Remarks. Habitat reported referred to Tonga (Lowry & Bopiah, 2013); the habitat in New Caledonia is also supralittoral, an extended black sand beach with pumice.	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
786F2952FC353343A08DFF515BE16411.taxon	distribution	Distribution. Australia: Queensland: Port Douglas (Serejo, 2009). Marshall Islands: Yap; Kusaie Island (J. L. Barnard, 1960). New Caledonia: NouVata, Noumea; Isle of Pines; Magenta (Morino & Miyamoto, 1988), Thio mission, Grand Terre (this paper). Papua New Guinea: Ralum, Bismarck Archipelago (Schellenberg, 1938); Motupore Island (9 ° 31 ' 30 " N 147 ° 16 ' 40 " E) (Morino & Miyamoto, 1988). Philippine Islands: Ubay, Bohol (Schellenberg, 1938). Solomon Islands: Gizo (Morino & Miyamoto, 1988). Rennell Islands (Bousfield, 1970). Tonga: Tongatapu (Dana, 1852; Lowry & Bopiah, 2013).	en	Lowry, James K., Fanini, Lucia (2023): The Coastal Talitroid Amphipods of New Caledonia (Amphipoda: Talitroidea). Records of the Australian Museum (Rec. Aust. Mus.) 75 (4): 471-484, DOI: 10.3853/j.2201-4349.75.2023.1886, URL: http://dx.doi.org/10.3853/j.2201-4349.75.2023.1886
