Antarctodius Berge, Vader & Coleman 1999

• Main Author: Ariyama, Hiroyuki
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Ochlesidae; Antarctodius; Antarc*; antarcticus
• Online Access: https://doi.org/10.5281/zenodo.5700477; http://treatment.plazi.org/id/03AA4D09FFEBFF8FECACFB141D06F299

Genus Antarctodius Berge, Vader & Coleman, 1999 [Japanese name: Mukashi-subeyokoebi-zoku] Antarctodius Berge, Vader & Coleman, 1999: 244; Labay, 2010: 35. Type species. Odius antarcticus Watling & Holman, 1981. Diagnosis [emended from Ariyama (2011)]. Body, anterodorsal margin of pereonite 1 not produced; dorsal projections of pereonites absent, those of pleonites present or absent; posterolateral margin of pleonite 3 with or without projection. Eyes variable. Antenna 1 , peduncle with article 2 shorter than article 1; accessory flagellum absent or present. Upper lip , tip incised asymmetrically. Mandible conical; incisor narrow; lacinia mobilis present on left side; palp somewhat distal to molar. Lower lip with outer lobes long, strongly notched inside. Maxilla 1 with inner plate bearing 3 apical plumose setae; outer plate relatively short, styliform, with many robust setae on tip; palp 2-articulated, wide, exceeding outer plate, with several apical setae. Maxilla 2 , inner plate almost same length as outer plate, mediodistal margins of both plates strongly setose. Maxilliped , inner plate narrow; outer plate medium, reaching distal end of palp article 2; palp 4-articulated, article 2 not expanded medially, article 4 short or long. Coxa 1 a little shorter than coxa 2; coxae 2–4 progressively wider, equally long. Gills present on gnathopod 2–pereopod 7(?). Oostegites of female present on gnathopod 2–pereopod 5. Gnathopod 1 , propodus not projected posterodistally, posterodistal corner with long robust seta; dactylus small, triangular, with several plumose setae. Gnathopod 2 , propodus narrow, palm weakly transverse, distal margin serrated; dactylus with accessory spine. Pereopods 3–7 , meri projected distally. Uropods , inner ramus of uropod 3 slightly wide; peduncles of uropods 1, 2 and both rami bearing many robust setae. Telson cleft or entire. Species included. Antarctodius antarcticus (Watling & Holman, 1981); A. japonicus Ariyama, 2011; A. noncarinatus Labay, 2010; and A. rauscherti Coleman ...