Syllides floridanus

Linero-Arana, Ildefonso & Diaz Diaz, Oscarn, 2011, Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela, ZooKeys 117, pp. 1-28 : 3

Syllides floridanus Perkins, 1981 Figs 1.11-1.14

Syllides floridanus Perkins 1981:1151-1155, figs. 31 –32.– Uebelacker 1984:45-47, fig. 38 a–d.– San Martín 1990:609.

Material examined.

BMMQ103, (8), fine sand, 4 m depth; BMC203, medium sand, 2 m depth. GCET103, (10), coarse sand, 1 m depth.

Description.

Length to 3.1 mm, width to 0.4 mm. Body small, slender; complete specimens with up to 22 chaetigers. Prostomium rounded, with three pairs of lentigerous eyes Median and lateral antennae digitiform, median slightly longer, about as long as prostomium plus palps. Palps short, triangular, fused basally. Dorsal tentacular cirri longer than median antenna, ventral tentacular cirri shorter than dorsal ones. Dorsal cirri of chaetigers 1 and 2 slightly wrinkled. Articulated dorsal cirri from chaetiger 3, with 14-19 articles. Dorsal simple chaeta pointed and serrated, from chaetiger 1. Compound falcigers bidentate, with long and short blades serrated (Fig. 1.11, 1.12), basal serrations longer and coarser on some blades (Fig. 1.13). Noto and neuroacicula slender, the alter with blunt end (Fig. 1.14). Pharynx extending through 5-7 chaetigers, with about 10 marginal papillae. Proventriculus extending through 5 chaetigers, with 38-44 rows of muscle cells. Pygidium with a pair of cirriform anal cirri.

Distribution.

East coast of Florida, Gulf of Mexico, Venezuela.