Trypanosyllis parvidentata Perkins, 1981

Linero-Arana, Ildefonso & Diaz Diaz, Oscarn, 2011, Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela, ZooKeys 117, pp. 1-28 : 8-9

Trypanosyllis parvidentata Perkins, 1981 Figs 2.18-2.19

Trypanosyllis parvidentata Perkins 1981:1161, fig. 36 a–h.– Uebelacker 1984:91-93, fig. 86 a–e.

Material examined.

Guacarapo (Gulf of Cariaco), GCPG198, (1), fine sand, 1 m depth.

Description.

Length to 9.4 mm, width to 0.65 mm. Body incomplete, with up to 88 chaetigers. Prostomium with a pair of lentigerous eyes in trapezoidal arrangement. Median antenna with 10 articles, lateral antennae with 9 articles. Palps separated. Dorsal tentacular cirri with 11 articles, ventral ones with 9 articles. Dorsal cirri with 13 articles in chaetiger 1; from chaetiger 5 alternating longer, with 15 articles, and shorter cirri, with 9 articles. Dorsal compound falcigers bidentate, serrated (Fig. 2.18), ventral ones with shorter blades. Ventral simple chaeta bidentate, slender, on posterior chaetigers. Acicula stout, solitary in posterior chaetigers (Fig. 2.19) Pharynx extending through 5 chaetigers. Proventriculus extending through 4 chaetigers, with 17 rows of muscle cells.

Distribution.

Southern Florida, Gulf of Mexico, West Indies, Venezuela.