Exogone dispar (Linero-Arana, Ildefonso & Diaz Diaz, Oscarn 2011)
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Ordo: Phyllodocida
Familia: Syllidae
Genus: Exogone
Name
Exogone dispar Linero-Arana, Ildefonso, 2011 – Wikispecies link – Pensoft Profile
- Exogone dispar Linero-Arana, Ildefonso, 2011, ZooKeys 117: 7-8.
Description
Description. Length to 6.2 mm, width to 0.4 mm. Body relatively long, with up to 41 chaetigers. Prostomium with two pairs of lentigerous eyes. Median antenna fusiform, lateral antennae small, ovoid. Palps fused dorsally. All cirri ovoid. Dorsal cirri on all chaetigers. Dorsal simple chaeta blunt with subdistal spines (Fig. 2.6), present from chaetiger 1. Dorsal compound pseudospinigers serrated, slightly bifid, on anterior chaetigers (Fig. 2.7), (Fig. 2.8); compound falcigers bidentate with small distal tooth, and spines on the shaft-head (Fig. 2.9). Ventral simple chaeta bidentate with small distal tooth, only present on posterior chaetigers (Fig. 2.10). Pharynx extending through 4 chaetigers, with marginal crown of papillae, and subterminal dorsal tooth. Proventriculus extending through 4 chaetigers, with 19-22 rows of muscle cells. Pygidium with a pair of cirriform, relatively long cirri.
Distribution
Distribution. North Pacific, Galapagos Islands, South Japan, Australia, North Atlantic, Mediterranean, Arctic, Alaska to Mexico, South Africa, Maine to Florida, Gulf of Mexico, Trinidad & Tobago, Venezuela.
Taxon Treatment
- Linero-Arana, Ildefonso; Diaz Diaz, Oscarn; 2011: Syllidae (Annelida, Polychaeta) from the Caribbean coast of Venezuela ZooKeys, 117: 7-8. doi
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