Syllis vittata Grube, 1840

Linero-Arana, Ildefonso & Diaz Diaz, Oscarn, 2011, Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela, ZooKeys 117, pp. 1-28 : 13

Syllis vittata Grube, 1840 Figs 4.6-4.7

Syllis (Typosyllis) vittata Fauvel 1923:263-264, fig. 98 i–l.– Day 1967:252, Fig. 12.4. m–o.

Syllis vittata Taylor, 1971:220 –222.– San Martín 2003:430-432, figs. 236-237.

Material examined.

BMIL803, (8), on rocks covered by Enteromorpha intestinalis (Linnaeus), 1-2 m depth.

Description.

Length to 21.5 mm,width 1.1 mm. Body broad with up to 101 chaetigers, with dorsal transverse dark stripe per segment. Prostomium with two pairs of eyes in trapezoidal arrangement. Median antenna with 20-26 articles; lateral ones with 18-24 articles. Palps stout basally fused. Antennae moniliform; median antenna with 23-31 articles, lateral antennae with 20-23 articles. Dorsal tentacular cirri with 30-39 articles, ventral ones with 19-23 articles. Dorsal cirri alternating longer, with 20-27 articles, and shorter, with 19-24 articles. Dorsal simple chaeta bifid serrated, only present on posterior chaetigers. Anterior compound falcigers bidentate and serrated (Fig. 4.6). Posterior compound falcigers with short blades unidentate and serrated (Fig. 4.7). Ventral simple bidentate serrated chaeta, only present on posterior chaetigers. Pharynx extending through 10 chaetigers, with 10 marginal papillae encircling distal tooth. Proventriculus extending through 9 chaetigers, with 37-40 rows of muscle cells. Pygidium with a pair of anal cirri with 9-12 articles and digitiform midventral cirrus.

Distribution.

Eastern Atlantic, Mediterranean Sea, Indian Ocean, Florida, Great Caribbean.