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Sphaerosyllis longicauda Webster & Benedict, 1887 – Wikispecies link – Pensoft Profile
- Sphaerosyllis longicauda Webster and Benedict 1887:720, pl. 3, figs. 35–39.
- Sphaerosyllis erinaceus Pettibone 1963:135–136, fig. 35a.–Gardiner 1976:131, fig. 10s–v.
- Sphaerosyllis longicauda Perkins 1981:1127, figs. 20a–c, 21a–i.–Uebelacker 1984:24–27, fig. 18a–f.–Gobin 2010 (list only).
BMER203, (2), fine sand, 4 m depth; GCPT106, (4), fine sand, 0.5–1.5 m depth.
Length to 3.1 mm, width to 0.5 mm. Body slender, with up to 26 chaetigers. Papillae scattered, of different length. Prostomium with a pair of eyespots on anterior margin of prostomium, and four large, lentigerous eyes in arc on posterior region of prostomium. Nuchal organs small, rounded, posterior to lateral eyes. Palps wide and short, directed ventrally. Clavate antennae with enlarging basal zone. Tentacular cirri clavate, each with long cirriform dorsal papilla. Dorsal cirri subulate, replaced by a cirriform papilla on chaetiger 2. Dorsal simple chaeta bidentate slender, with slight serrations from chaetiger 1 (Fig. 1.22); dorsal compound falcigers uni and bidentate with serrated blades (Fig. 1.23). Ventral compound falcigers either smooth or with fine serrations. Slender ventral bidentate simple chaeta, only present on posterior chaetigers. Acicula enlarged subdistally, with curved, pointed tip (Fig. 1.24). Pharynx extending through 3 chaetigers, with dorsal tooth located near anterior margin; proventriculus through 3–4 chaetigers with 16–20 rows of muscle cells. Pygidium with a pair of stout anal cirri.
Maine to Florida, Gulf of Mexico, Venezuela.
- Liñero-Arana, I; Díaz Díaz, O; 2011: Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela ZooKeys, 117: 1-28. doi
- ↑ Webster H, Benedict J (1884) The Annelida Chaetopoda from Provincetown and Wellflett, Massachuchetts. Reports of the United States Commissioner of Fish and Fisheries for 1881:699-747.
- ↑ Pettibone M (1963) Marine polychaete worms of the New England Region. 1. Aphroditidae through Trochochaetidae. Bulletin of the United States National Museum 227:1-356.
- ↑ Gardiner S (1976) Errant polychaete annelids from North Carolina. Journal of the Elisha Mitchell Scientific Society 91:77-220.
- ↑ Perkins T (1981) Syllidae (Polychaeta), principally from Florida, with descriptions of a new genus and twenty–one new species. Proceedings of the Biological Society of Washington 93 (4):1080-1172.
- ↑ Uebelacker J (1984) Family Syllidae Grube, 1850. In: Uebelacker J Johnson P (Eds) Taxonomic Guide to the Polychaetes of the Northern Gulf of Mexico. Barry A Vittor & Assoc., Inc., Mobile, Alabama, IV, 1–151.
- ↑ Gobin J (2010) Free-living marine polychaetes (Annelida) inhabiting hard-bottom substrates in Trinidad and Tobago, West Indies. Revista de Biología Tropical 58 (1):147-157.