Chondrichthyes - Ctenacanthiformes - Ctenacanthidae

Alternative combinations: Ctenacanthus sulcatus, Onchus sulcatus

Full reference: L. Agassiz. 1837. Recherches Sur Les Poissons Fossiles. Tome III (livr. 8-9). Imprimérie de Petitpierre, Neuchatel viii-72

Belongs to Amelacanthus according to M. B. Koot et al. 2013

Sister taxa: Amelacanthus laevis, Amelacanthus plicatus, Amelacanthus pustulatus