Amphiporus cruentatus Verrill, 1879

Gonzalez-Cueto, Jaime, Quiroga, Sigmer & Norenburg, Jon, 2014, A shore-based preliminary survey of marine ribbon worms (Nemertea) from the Caribbean coast of Colombia, ZooKeys 439, pp. 83-108 : 92-93

Taxon classification Animalia Heteronemertea Monostilifera

Amphiporus cruentatus Verrill, 1879 Fig. 3 E–G

Description.

Two specimens up to about 20 mm long, <1 mm wide; dorsoventrally flattened, bluntly rounded at both ends. Pale yellow, with three thin, longitudinal blood vessels made bright red by corpuscles that can be observed flowing through the vessels. Cerebral organ furrows, vertical, not prominent, precerebral. About 6-10 conspicuous, blackish, precerebral ocelli, in single row along each. Rhynchopore subterminal at tip of head; rhynchocoel extends to about middle of body length; proboscis long and thick; armature approximately at center of proboscis; stylet slender (length: 30 µm), supported on cylindrical basis (33 × 8 µm); 2 pouches with 3 accessory stylets each. Mature females with dark or bright gray eggs visible through body wall.

Distribution.

Gulf of Mexico, New England (USA) and Washington ( Norenburg 2009); California ( Coe 1940); Santa Marta, Colombia.