Epimeria (Epimeriella) atalanta d'Acoz & Verheye 2017, sp. nov.

• Main Authors: d'Acoz, Cédric d'Udekem, Verheye, Marie L.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Epimeriidae; Epimeria; Epimeria atalanta; Southern Ocean
• Online Access: https://zenodo.org/record/3857644; https://doi.org/10.5281/zenodo.3857644

Epimeria (Epimeriella) atalanta sp. nov. urn:lsid:zoobank.org:act: B0214FB1-ED96-4CEF-B267-21FC4B356C39 Figs 125–130 Epimeriella cf. scabrosa ‘4 dorsal teeth’ – d’Udekem d’Acoz & Robert 2008: 53 (list). Epimeria cf. scabrosa – Rauschert & Arntz 2015: 62, pl. 55 unnumbered photograph. non Epimeriella scabrosa K.H. Barnard, 1930: 378, fig. 43. Etymology Ἀταλάντη is a character of the Greek mythology. She was the only woman, who took part in the nautical expedition of the Argonauts (the genus Epimeria being feminine). The name alludes to the presumed good swimming capacities of the species and its possibly pelagic life style. The name is a noun in apposition. Type material Holotype RV Polarstern: SOUTHERN OCEAN: specimen initially fixated in formalin, cruise PS69, ANT-XXIII/8, stn 725-10, south of Larsen A, 64°55.89ʹ S, 60°40.06ʹ W to 64°55.92ʹ S, 60°40.31ʹ W, 189–192 m, Rauschert dredge, 22 Jan. 2007, coll. C. d’Udekem d’Acoz and H. Robert (RBINS, INV. 122527). Description ROSTRUM. Very minute, reduced to a narrow tiny process reaching a bit more than 0.1 of article 1 of peduncle of antenna 1. EYE. Very large, elliptic. PEREION–PLEOSOME TOOTH PATTERN. Pereionite 7 and pleonites 1–3 carinate and posterodorsally produced into a tooth; other body segments without mid-dorsal tooth; pereionites 1–7 and pleonites 1–3 without pair of lateral teeth. COXAE 1–3. Not carinate; coxa 1 distally broadly rounded; coxa 2–3 distally narrow but very blunt. COXA 4. Fairly broad; anterodorsal and anteroventral border nearly straight, joined by low and blunt angular discontinuity, anterior angle not strongly projecting forward; ventral projection short, bluntly but distinctly angular; no lateral carina; posteroventral border nearly straight. COXA 5–7. Toothless, posteriorly, ventrally and posteroventrally rounded. EPIMERAL PLATES 1–3. Posteroventral angle produced into a tiny tooth. UROSOME TOOTH PATTERN. Urosomite 1 with elongate carinate process, forming a broad and regularly rounded process in lateral view. TELSON. Cleft on ...