Zatsepinia antarctica Schüller & Jirkov, 2013, n.sp. ...

• Main Authors: Schüller, Myriam, Jirkov, Igor A.
• Format: Text
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Terebellida; Ampharetidae; Zatsepinia; Zatsepinia antarctica; Antarc*; Antarctica; Southern Ocean; Weddell Sea
• Online Access: https://dx.doi.org/10.5281/zenodo.6152282; https://zenodo.org/doi/10.5281/zenodo.6152282

Zatsepinia antarctica n.sp. Figs 18–19 Holotype: ANDEEP III—st 81-8, EBS, 70°31.08'S – 70°32.23'S, 14°34.82'W – 14°34.90'W, eastern Weddell Sea, 4419 m [ZMH-26090]. Paratypes: ANDEEP III—st 80-9, EBS, 70°38.45'S – 70°39.18'S, 14°42.86'W – 14°43.43'W, eastern Weddell Sea, 3138 m (1 specimen, incomplete), ANDEEP III—st 81-8, EBS, 70°31.08'S – 70°32.23'S, 14°34.82'W – 14°34.90'W, eastern Weddell Sea, 4419 m (7 specimens, 1 x SEM, 3 complete) [ZMH-26091–26093]. Diagnosis: The species can be recognized by the dorsal shift of the last two thoracic notopodia, grooved and smooth buccal tentacles, 23–24 AUs, as well as a large pair of anal papillae. Description: Holotype 5 mm long and 0.7 wide, with 24 AUs, complete. Complete paratypes and additional specimens 4–10 mm long and about 0.5 mm wide, with 23–24 AUs (Fig. 18 A). Colour in ethanol white. One specimen ovigerous, eggs spread throughout body cavity, most concentrated in posterior segments. Prostomium simple, without lobes or glandular ridges (Figs 18 B, 18C, ... : Published as part of Schüller, Myriam & Jirkov, Igor A., 2013, New Ampharetidae (Polychaeta) from the deep Southern Ocean and shallow Patagonian waters, pp. 204-237 in Zootaxa 3692 (1) on pages 231-232, DOI: 10.11646/zootaxa.3692.1.11, http://zenodo.org/record/247905 ...