Halirages qvadridentatus G. O. Sars 1877

• Main Author: D'Acoz, Cédric D'Udekem
• Format: Other/Unknown Material
• Language: unknown
• Published: 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Calliopiidae; Halirages; Halirages qvadridentatus; Arctic
• Online Access: https://zenodo.org/record/3858774; https://doi.org/10.5281/zenodo.3858774

Halirages qvadridentatus G.O. Sars, 1877 Figs 8-9 Halirages qvadridentatus G.O. Sars, 1877: 257. Halirages elegans Norman, 1882: 688. Halirages qvadridentatus – G.O. Sars 1885: 172, pl. 14 fig. 4. — d'Udekem d'Acoz 2010: 146 (discussion on spelling). Halirages quadrispinosus – G.O. Sars 1893: 436 (lapsus calami). Acanthozone quadridentata – Della Valle 1893: 611 (pro parte), pl. 59 fig. 22. Halirages quadridentatus – Stebbing 1906: 290, 292. — Stephensen 1931: 268-272, fig. 76; 1933: 32 (variations); 1938: 237, 240. — Gurjanova 1946: 288 (discussion); 1951: 606, 608, fig. 411 (after G.O. Sars 1885). — Yashnov 1948: 641, pl. 78 fig. 8 (after Stephensen 1931). — Kamenskaya 1980: 248 (discussion). ? Halirages spez. – Schellenberg 1925: 205. Type material (syntypes) of Halirages elegans Norman, 1882 FAEROE ISLANDS: RV Knight Errant, stn 8, 60°04'N 007°37'W, 305 fathoms [= 558 metres], mud, 27 Jul.1880: 3 specimens (none with oostegites) (specimens of lengths 30, 25 and 19 mm), BM (NH) 17375- 377; RV Knight Errant, stn 8: 1 mandible, in very poor condition BM (NH), slide 1911.11.8.1268; Faeroe Islands, RV Knight Errant, stn 8: anterior part of head, right Gn1, right Gn2, left P7, left Ep3, left U3, 2 telsons, BM (NH), slide 1911.11.8.1269; RV Knight Errant, 1880, stn 8, label of slides indicating "main organs (mandible from three specimens)": 3 mandibles, 1 upper lip, 1 maxilliped, in poor condition, BM (NH), slide 1911.11.8.1270. Description HEAD. (Fig. 8A) Rostrum feeble; anterior lobe of head very bluntly subquadrate, posteriorly followed by distinct sinus; ventral lobe of head acute, pointing forward, not denticulate. ANTENNAE. (Fig. 8A) Typical for the genus Halirages; article 1 of peduncle with 2 normally developed ventrolateral distal teeth. MOUTHPARTS. Typical for the genus but not described for the poor quality of the dissected material. GNATHOPOD 1. (Fig. 8 B-D) Coxa with anteroventral corner produced into a small tooth pointing forwards, with 18-20 small serrations along ventral margin; carpus 4.4 x as ...