Byrathis arnei Schulz 2006 ...

• Main Authors: Markhaseva, Elena L., Renz, Jasmin
• Format: Text
• Language: unknown
• Published: Zenodo 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Maxillopoda; Calanoida; Scolecitrichidae; Byrathis; Byrathis arnei; Southern Ocean
• Online Access: https://dx.doi.org/10.5281/zenodo.6193227; https://zenodo.org/doi/10.5281/zenodo.6193227

Byrathis arnei Schulz, 2006 (Figs 10–13) Material. 12 adult females, body length 1.25–1.35 mm, and 9 adult males, body length 1.40–1.55 mm collected above the sea bed by the ANDEEP–SYSTCO expedition at a depth of 2152 m, on 0 4 January 2008 in the South Ocean (64º29’S 02º53’E) and 23 adult females, body length 1.33–1.67 mm, from 3 samples obtained by ANDEEP II–III expeditions at depths from 2006 to 3050 m between 58–65ºS and 25–64ºW. Description. Male. Prosome 2.30–2.75 times as long as urosome. Rostrum a plate with 2 filaments (Fig. 10 A). Cephalosome and pedigerous somite 1 fused, pedigerous somites 4 and 5 separate; posterior corners rounded. Urosome of 5 somites, anal segment very short (Fig. 10 A–B). Caudal rami with 4 terminal setae, 1 ventral seta and 1 dorsolateral seta. Antennule (Fig. 10 C–E) extending to anterior, or posterior edge of urosome somite 2. Right and left antennules of 22 articulating segments, symmetrical; armature as follows: I–1 s + 1ae, II– IV–6 s + 4ae, V–2 s + 2ae, VI–2 s + 1ae, ... : Published as part of Markhaseva, Elena L. & Renz, Jasmin, 2011, Two new Byrathis species (Copepoda: Calanoida) from the deep South Atlantic and Southern Ocean and first description of an adult male, pp. 49-68 in Zootaxa 2889 on pages 61-66, DOI: 10.5281/zenodo.201061 ...