Branchiosyllis exilis (Linero-Arana, Ildefonso & Diaz Diaz, Oscarn 2011)
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Ordo: Phyllodocida
Familia: Syllidae
Genus: Branchiosyllis
Name
Branchiosyllis exilis Linero-Arana, Ildefonso, 2011 – Wikispecies link – Pensoft Profile
- Branchiosyllis exilis Linero-Arana, Ildefonso, 2011, ZooKeys 117: 10-10.
Description
Description. Length to 17.6 mm,width 1.2 mm. Body with up to 68 chaetigers. Prostomium with a pair of anterior small eyes and two posterior pairs of lentigerous eyes in trapezoidal arrangement. Median antenna with 15-21 articles; lateral antennae with 12-15 articles. Palps stout, rounded, fused basally. Dorsal tentacular cirri with 19-23 articles, ventral ones with 10-13 articles. Anterior dorsal cirri alternating longer, with 22-38 articles, and shorter, with 17-31 articles. Length and number of articles diminishing posteriorly. Dorsal compound falcigers bidentate (Fig. 3.8), ventral falcigers bidentate in anterior chaetigers, falcate in middle and posterior chaetigers (Fig. 3.9). Pharynx extending through 7 chaetigers. Proventriculus extending through 9-12 chaetigers, with 39-48 rows of muscle cells. Pygidium with a pair of anal cirri with 13-21 articles.
Distribution
Distribution. Circumtropical, Mediterranean, Baleares and Chafarinas Island (Spain), and Venezuela.
Taxon Treatment
- Linero-Arana, Ildefonso; Diaz Diaz, Oscarn; 2011: Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela ZooKeys, 117: 10-10. doi
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