Parasphaeropsyllis indica Monro, 1937

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

Parasphaeropsyllis indica Monro, 1937 Figs 4.8-4.10

Parasphaeropsyllis indica Rioja 1958:246-251, figs. 21, 22, 26, 27.- Westheide 1974:64-66, figs. 27 –29.– San Martín 1991:234.- 1994:130.

Material examined.

BMMQ205, (19); BMLV101, (8); GCET103, (22), inside dead Millepora alcicornis , 1-2 m depth; BMPL398, (24), associated with Aplysina fistularis , 1-3 m depth.

Description.

Length to 9.5 mm,width 0.6 mm. Body slender with up to 106 chaetigers. Prostomium with two pairs of lentigerous eyes in trapezoidal arrangement. Median antenna with 18-21 articles, lateral ones with 13-15 articles. Dorsal tentacular cirri with 32-51 articles, ventral ones with 18-23 articles. Dorsal cirri alternating longer, with 21-33 articles, and shorter, with 19-22 articles. Large, ovoid dorsal cirri with small distal button, from chaetigers 24. Dorsal simple chaeta with blunt end and subdistally serrated (Fig. 4.8). Compound falcigers bidentate and serrated (Fig. 4.9). Ventral simple chaeta bidentate, slender. Acicula subdistally enlarged, with acuminate, oblique tip (Fig. 4.10). Pharynx extending through 6 chaetigers, with 10 marginal papillae encircling anterior tooth. Proventriculus extending through 3-5 chaetigers, with 25-28 rows of muscle cells.

Distribution.

Circumtropical.