Dysponetus antarcticus Darbyshire & Brewin, 2015, n. sp. ...

• Main Authors: Darbyshire, Teresa, Brewin, Paul E.
• Format: Text
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Chrysopetalidae; Dysponetus; Dysponetus antarcticus; Southern Ocean; King George Island; Darbyshire; Antarc*; Antarctica; antarcticus
• Online Access: https://dx.doi.org/10.5281/zenodo.6112766; https://zenodo.org/doi/10.5281/zenodo.6112766

Dysponetus antarcticus n. sp. Figure 3 A–D 1993: Dysponetus bulbosus Hartmann-Schröder: p 128–9. Material examined. South of King George Island, Antarctica, Sta. near O’Higgins (63° 00.49′S, 057° 09.45′W), very fine sand with Bryozoa, gorgonians, much detritus, 97 m, holotype (ZMH P- 21914) paratype (ZMH P- 27740), 22.12.1991. Description. Holotype posteriorly incomplete, 2.7 mm long for 15 chaetigers (15th chaetiger removed for SEM). Paratype whole, juvenile, 1.29 mm for 14 chaetigers. Maximum width measured both between segments, 0.7 mm (holotype) and 0.26 mm (paratype), and including chaetae, 3.0 mm (holotype) and 1.07 mm (paratype). Description based on holotype except where specified. Measurements and counts of chaetae and cirri from holotype only. Body shape cylindrical, ventrally flattened, tapered over last 2–3 segments at posterior. Colour pink-brown in alcohol. Prostomium sub-rectangular (Fig. 3 A), only slightly wider anteriorly. Eyes absent or degraded beyond visibility (see Remarks for comment ... : Published as part of Darbyshire, Teresa & Brewin, Paul E., 2015, Three new species of Dysponetus Levinsen, 1879 (Polychaeta: Chrysopetalidae) from the South Atlantic and Southern Ocean, with a re-description of Dysponetus bulbosus Hartmann-Schröder, 1982, pp. 359-370 in Zootaxa 4040 (3) on pages 363-365, DOI: 10.11646/zootaxa.4040.3.7, http://zenodo.org/record/241445 ...