Totton, 1941
Anterior nectophore with numerous, mainly complete, straight ridges that are linked by a velar ridge. Mouth plate rounded ventrally and hydroecium, which extends above ostial level, is open ventrally. Short, laterally expanded, mushroom-like somatocyst. Posterior nectophore and eudoxid stage have not been described. The eudoxid stage described by Alvariño and Wojtan (1984) belongs to Dimophyes arctica.