†subfamily Rytiodinae Simpson 1932 (dugong)
Mammalia - Sirenia - Dugongidae
Full reference: G. G. Simpson. 1932. Fossil Sirenia of Florida and the evolution of the Sirenia. Bulletin of the American Museum of Natural History 59(8):419-503
Parent taxon: Dugongidae according to R. H. Reinhart 1959
See also Simpson 1932
Sister taxa: Anisosiren, Caribosiren, Dugonginae, Eotheroides, Halitheriinae, Halitherium, Halitherium alleni, Halitherium antillense, Halitherium taulannense, Hydrodamalinae, Indosiren, Kaupitherium, Lentiarenium, Miodugong, Nanosiren, Paralitherium, Priscosiren, Prohalicore, Sirenavus, Trachytherium
Subtaxa: none
Ecology: aquatic herbivore
Distribution: there are no occurrences of Rytiodinae in the database