†superfamily Prorastomoidea Heal 1973 (sirenian)
Full reference: G. J. Heal. 1973. Contributions to the Study of Sirenian Evolution. 1-245
Parent taxon: Sirenia according to G. J. Heal 1973
Sister taxa: Dugongidae, Dugongoidea, Prorastomidae, Protosirenidae, Rhytinidae, Trichechidae
Subtaxa: Eotheroididae
Ecology: aquatic herbivore