Syllis prolifera Krohn, 1852

Linero-Arana, Ildefonso & Diaz Diaz, Oscarn, 2011, Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela, ZooKeys 117, pp. 1-28 : 12

Syllis prolifera Krohn, 1852 Figs 3.25-3.27

Typosyllis prolifera Imajima 1966:292, fig. 65 a–n.

Syllis (Typosyllis) prolifera Fauvel 1923:261, fig. 97 a–g.– Day 1967:248, fig. 12.3. g–i.– 1973:30.- Uebelacker 1984:150-151, fig. 146 a–g.

Syllis prolifera San Martín 1992:171-173, fig. 1 E–H.– San Martín and Bone 2001:617.- San Martín 2003:344-347, figs. 186 –187.– Gobin 2010 (list only).

Material examined:

BMIL297, (3); BMPL297, (3); BMPL398, (10), BMIL598, (8); all specimens associated with Chondrila nucula , 1-2 m depth.

Description.

Length to 25.5 mm,width 0.7 mm. Body with up to 97 chaetigers. Anterior segments with a pair of brown, dorsal, transverse stripes. Prostomium with a pair of anterior eyespots and two pairs of eyes in trapezoidal arrangement. Median antenna with 21-30 articles, lateral ones with 17-23 articles. Dorsal tentacular cirri with 14-28 articles, ventral ones with 8-14 articles. Dorsal cirri alternating longer, with 24-42 articles, and shorter, with 10-19 articles. Dorsal simple chaeta, bifid from mid-body chaetigers (Fig. 3.25). Compound falcigers bidentate and serrated (Fig. 3.26). Ventral simple chaeta bidentate, slender with subdistal serrations (Fig. 3.27), only present on posterior chaetigers. Anterior aciculae slender with blunt tip, posterior ones enlarged distally. Pharynx extending through 5 chaetigers, with 10 marginal papillae encircling middorsal tooth. Proventriculus extending through 5 chaetigers, with 27-35 rows of muscle cells. Pygidium with a pair of anal cirri with 14-29 articles and digitiform midventral cirrus.

Distribution.

Japan, Indian Ocean, South Africa, Mediterranean Sea, Atlantic Ocean, Caribbean Sea, Gulf of Mexico.