Ophionereis dolabriformis John & A. M. Clark 1954

Disk circular to pentaradial (dd = 3.20 to 5.09 mm). Covered dorsally by imbricating scales of different sizes (Fig. 10a). Radial shields small, narrow, triangular (Fig. 10a). Pentaradial olive-green colour pattern on dorsal surface of disk (Fig. 10a). Bursal slits long and without genital papillae (Fig. 10b). Oral shields arrowhead-shaped, partially covering the adoral shields (Fig. 10c). Adoral shields united proximally and enlarged distally. Four oral papillae on each side of jaw angle (Fig. 10c). Dorsal arm plate longer than wide, distal region strongly convex (Fig. 10d). Ventral arm plate rectangular, lateral margins concave, distal margin enlarged and slightly convex (Fig. 10e). Single large, oval, tentacle scale. Three elongate arm spines, needle-shaped (Fig. 10d, e), fully denticulate. Olive-green stripe on 1 to 2 ½ dorsal arm segments.

Caribbean coast of Mexico and Colombia, Venezuela (A.M. Clark 1953, Thomas 1973, Pomory 2007, Benavides-Serrato et al. 2011), and Brazil, from Paraíba and Bahia (Gondim et al. 2010). From 14 to 97 m. Found in this study between 14 and 35 m.