Austroniscus ovalis Vanhoeffen 1914 ...

• Main Authors: Kaiser, Stefanie, Brandt, Angelika
• Format: Text
• Language: unknown
• Published: Zenodo 2007
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Nannoniscidae; Austroniscus; Austroniscus ovalis; Antarc*; Antarctic; Weddell Sea
• Online Access: https://dx.doi.org/10.5281/zenodo.5688740; https://zenodo.org/doi/10.5281/zenodo.5688740

Austroniscus ovalis Vanhoeffen, 1914 (Figs 10–11) Material examined Paratype: 1 Ψ (1.9 mm), E­Antarctica, Gauss­Station, 70–385 m, Museum für Naturkunde, Berlin, Nr. 17681. Other material: 3 Ψ (1 preparatory, 2 for SEM), eastern Weddell Sea, 71°18.61`S, 013°56.12`E – 71°18.73`S, 013°56.12`E, PS ANT XXI/2, Station 232–1, 910– 899.6 m, ZMH K–41123. Diagnosis Anterior margin of cephalothorax strongly concave. Pereonite 1 not frontally directed, lateral margins rounded; with 2 spine­like appendices inserting ventrally. Description Habitus of paratype female (Figs 10 A, 11A): considerably broadened and flattened. Body about 1.9 mm length, 1.5 times longer than wide. Coxae not visible in dorsal view. Pereonites 2–4 with strongly projected laterofrontal margins, with a small spine apically. Lateral margins of pereonite 1 rounded, with two spine­like appendices inserting ventrally on both sides of cephalothorax and tipped with a small spine, appendices distinctly separated from cephalothorax by a suture line. ... : Published as part of Kaiser, Stefanie & Brandt, Angelika, 2007, Two new species of the genus Austroniscus Vanhoeffen, 1914 (Isopoda: Asellota: Nannoniscidae) from the Antarctic shelf, pp. 47-68 in Zootaxa 1394 on pages 64-66, DOI: 10.5281/zenodo.175318 ...