Oligobregma blakei Schüller & Hilbig, 2007, sp. nov. ...

• Main Authors: Schüller, Myriam, Hilbig, Brigitte
• Format: Text
• Language: unknown
• Published: Zenodo 2007
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Scalibregmatidae; Oligobregma; Oligobregma blakei; Antarc*; Antarctica; Elephant Island; Scotia Sea
• Online Access: https://dx.doi.org/10.5281/zenodo.5660934; https://zenodo.org/doi/10.5281/zenodo.5660934

Oligobregma blakei sp. nov. (Fig. 1 A–E) Holotype. Scotia Sea, northeast off Elephant Island, Sta. 46­7, 30 January 2002, 60°38.35’S, 53°57.36’W, 2889–2892 m, EBS (ZMH, P­ 24732). Etymology. The species is named after J.A. Blake, whose monograph about the Scalibregmatidae of the Southern oceans contributed immensely to this study. Diagnosis. The distinguishing character of this species is the presence of acicular spines in the first and second notopodia arranged in single rows. Description Holotype of medium size, 3 mm long and 0.5 mm wide for 19 segments; posterior segments regenerating (Fig. 1 A). Colour in alcohol: white to a light tan; body anteriorly expanded. Prostomium bearing 2 rounded lobes anterolaterally; no eyes; nuchal organs not apparent; peristomium well developed, achaetous (Fig. 1 B). Anterior 4 chaetigers smooth, lacking annulations; chaetigers 5–7 triannulated, subsequent chaetigers quadriannulated; parapodia of anterior segments reduced to simple lobes, becoming more distinct in median ... : Published as part of Schüller, Myriam & Hilbig, Brigitte, 2007, Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica), pp. 35-45 in Zootaxa 1391 on pages 37-38, DOI: 10.5281/zenodo.175240 ...