Leodamas notoaciculatus Blake 2021, new species ...

• Main Author: Blake, James A.
• Format: Text
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniidae; Leodamas; Leodamas notoaciculatus; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.4678561; https://zenodo.org/doi/10.5281/zenodo.4678561

Leodamas notoaciculatus new species Figures 34–35 urn:lsid:zoobank.org:act: D44B4EEC-F005-44B5-ADF3-C5782E2D2EDB Material examined. Atlantic Ocean, off New Jersey, coll. P.A. Neubert, Chief Scientist, 12 Aug 2008; Excalibur pipeline survey, Sta. 45B, 40°11.5618′N, 73°40.4949′W, 38 m, holotype (MCZ 161598). Description. A small species, holotype complete, 2.5 mm long, 0.4 mm wide across thorax for 40 setigers. Body widest across thoracic setigers, gradually narrowing along abdominal segments (Fig. 35A). With nine thoracic setigers and branchiae from setiger 5 (Fig. 34A). Thoracic segments generally flattened, about five times wider than long; dorsum with narrow intersegmental grooves enlarged and elevated medially (Fig. 34A), grooves continuing on anterior abdominal setigers; venter with similar grooves and medial enlargement, but not as prominent (Fig. 34B). Abdominal segments about twice as wide as long along most of body, not as flattened as those of thorax and more rounded on venter; posterior setigers ... : Published as part of Blake, James A., 2021, New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean, pp. 1-123 in Zootaxa 4930 (1) on pages 67-70, DOI: 10.11646/zootaxa.4930.1.1, http://zenodo.org/record/4544896 ...