Genus: Doriprismatica d’Orbigny, 1839

Type species: Doris atromarginata Cuvier, 1804, by monotypy, no locality recorded.

Diagnosis: Chromodorid nudibranchs with a narrow body and permanent series of undulations around mantle margin. Oral tentacles elongate. Gill often forming double spirally arranged branches. Jaw rodlets unifid or bifid. Radular teeth with large denticles equaling size of primary cusp. Reproductive system with bursa copulatrix and receptaculum seminis of equal size. Receptaculum inserting directly into bursa rather than vagina. Prostate and ejaculatory portions of vas deferens elongate. Penis unarmed.