Nemoderma is the only genus in the familyNemodermataceae and orderNemodermatales of the brown algae (class Phaeophyceae). The genus contains only a single species, Nemoderma tingitanum.
Further reading
Cho. Ga Youn. Rousseau. Florence. de Reviers. Bruno. Boo. Sung Min. Phylogenetic relationships within the Fucales (Phaeophyceae) assessed by the photosystem I coding psa A sequences. Phycologia. 2006. 45. 5. 512–9. 10.2216/05-48.1.