Aristias Boeck 1871

• Main Author: Kilgallen, Niamh M.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Aristiidae; Aristias; Arctic; Antarctic; Weddell Sea; Ross Sea; Kerguelen; South Shetland Islands; Kerguelen Islands; Norway; Weddell; Hurley; Lowry; Ortiz; Adare; Commonwealth Bay; Cape Adare; Varela; Davis Sea; Bonnier; Antarc*; antarcticus
• Online Access: https://zenodo.org/record/5674680; https://doi.org/10.5281/zenodo.5674680

Genus Aristias Boeck, 1871 Aristias Boeck, 1871: 106. — Stebbing, 1906: 49. — Hurley, 1963: 40, 41 (key). —J.L. Barnard, 1969: 324. — Lincoln, 1979: 60. — Barnard & Karaman, 1991: 465. — Lowry & Stoddart, 1997: 14. Type species. Anonyx tumidus Krøyer, 1846, by monotypy. Diagnosis (modified after Lowry & Stoddart 1997). Head deeper than long. Epistome and upper lip fused. Mandibles usually asymmetrical, left straight, minutely serrate, right straight or slightly convex, smooth; left lacinia mobilis minute or absent; accessory setal row well developed or absent, if present with more than 5 accessory setae; molar a small, weakly setose flap or absent. Maxilla 1 inner plate strongly setose, usually with more than 2 pappose setae, outer plate broad, setal teeth in a modified 7/4 arrangement; palp 2-articulate. Maxilliped outer plate without apical robust setae; palp well-developed, 4-articulate. Gnathopod 1 simple to parachelate, coxa vestigial, posterior margin of propodus serrate. Gnathopod 2 coxa well developed. Pereopods 3–7 simple, propodus usually with a distal spur. Pereopod 4 deeper than wide with weak posteroventral lobe. Pereopod 5 coxa with well-developed posteroventral lobe. Gills from gnathopod 2 to pereopod 6, not pleated. Telson moderately to deeply cleft. Species composition and distributions. Aristias includes 28 species worldwide. Antarctic and sub- Antarctic: A. antarcticus Walker, 1906 (Cape Adare; Commonwealth Bay; Davis Sea, Kerguelen Islands; Magellan area; Ross Sea; South Georgia; South Shetland Islands; Weddell Sea); A. collinus K.H. Barnard, 1932 (South Shetland Islands; Weddell Sea); A. excavatus sp. nov. (Ross Sea). Atlantic Ocean and Arctic: A. bicornuta Ortiz, Lalana & Varela, 2007 (Cuba); A. captiva Lowry & Stoddart, 1997 (Gulf of Mexico); A. commensalis Bonnier, 1896 (Bay of Biscay); A. falcatus Stephensen, 1923 (S.W. of the Faeroe Islands); A. megalops G.O. Sars, 1895 (Norway); A. microps G.O. Sars, 1895 (Norway); A. neglectus Hansen, 1888 (widespread along ...