Ophelina robusta Schüller, 2008, sp. nov. ...

• Main Author: Schüller, Myriam
• Format: Text
• Language: unknown
• Published: Zenodo 2008
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Opheliidae; Ophelina; Ophelina robusta; Antarc*; Antarctic; Antarctic Peninsula; Southern Ocean; Weddell Sea
• Online Access: https://dx.doi.org/10.5281/zenodo.5615909; https://zenodo.org/doi/10.5281/zenodo.5615909

Ophelina robusta sp. nov. (Fig. 4 C–D) Holotype. ANDEEP I – II; Weddell Sea, Antarctic Peninsula, Sta. 131-3, 0 5 March 2002, 65°19.83’S, 51°31.62’W, 3049–3050 m, EBS, ZMH P- 24759. Paratype. ANDEEP III, Weddell Sea, Sta. 121-11, 14 March 2005, 63°38.27'S, 50°37.16'W, 2668 m, EBS, 4 specimens, ZMH P- 24760. Additional material. 78-9 (10), 80-9 (2), 150-6 (5), 151-7 (2), 153-7 (7). Etymology. The name refers to the presence of a very robust ventral cirrus on the anal tube. Diagnosis. A diagnostic character of this species is the presence of median sized branchiae in the first 7– 8 parapodia. Enlarged branchiae are present in the posterior region of the body. The anal tube bears a robust ventral cirrus. Description. Holotype complete, 18 mm long and 1.5 mm wide for 30 chaetigers. A species of median size. Length about 18–23 mm, width 1–2 mm, number of chaetigers between 30–35. Color in alcohol a light tan. Prostomium conical, carrying a distinct palpode. Peristomium limited to the lips. Nuchal organs present, ... : Published as part of Schüller, Myriam, 2008, New polychaete species collected during the expeditions ANDEEP I, II, and III to the deep Atlantic sector of the Southern Ocean in the austral summers 2002 and 2005 — Ampharetidae, Opheliidae, and Scalibregmatidae, pp. 51-68 in Zootaxa 1705 on pages 60-62, DOI: 10.5281/zenodo.180892 ...