“Genus Nematomenia Simroth, 1893
Nematomenia Simroth, 1893. Zeitschrift für wissenschaftliche Zoologie, 56 (2): 324.
Synonyms: Echinomenia Simroth, 1893; Myzomenia Simroth, 1893; Herpomenia Heath, 1911.
TYPE SPECIES: Dondersia flavens Pruvot, 1890.
With leaf-shaped and scattered oar-shaped scales. With common atriobuccal opening. Monoserial radula plates with two pairs of distally narrowed denticles, or missing in the radula sheath, or lacking and sheath forming the outlet of the ducts of the ventral foregut glandular organs. Midgut without lateral constrictions. Secondary genital opening unpaired. With dorsoterminal sense organ. Without copulatory stylets and respiratory organs.”
(García-Álvarez & Salvini-Plawen, 2007: 83)