Doridunculus Sars, 1878

Moles, Juan, Wägele, Heike, Uhl, Gabriele & Avila, Conxita, 2016, Bipolarity in sea slugs: a new species of Doridunculus (Mollusca: Nudibranchia: Onchidoridoidea) from Antarctica, Organisms Diversity & Evolution 17 (1), pp. 101-109 : 103

Doridunculus Sars, 1878 .

Type species. Doridunculus echinulatus Sars, 1878 .

Diagnosis of the genus Color translucent white. Body elongated, notum rounded anteriorly, posteriorly tapered, slightly shorter than tail. Velum not clearly separated from ventral notum side. Oral tentacles small, conical, or folded. Notal longitudinal keel(s) present or absent. Notum covered by numerous conical tubercles. Tail ridged. Gills dorsal, minute, 3 to 10, disposed in semicircle. Network of elongated spicules visible through epidermis. Radular formula 1 – 10.1.(0 – 1).1.10 – 1 (with or without rachidian); inner lateral hookshaped or with pronounced, big cusp pointing downward; rectangular marginal teeth forming interlocking pointed plates, decreasing in size toward edge.

The genus contains only the following three species ( Martynov and Roginskaya 2005): D. echinulatus , D. unicus , and D. punkus n. sp. described herein.