Mammalia - Sirenia - Trichechidae

Full reference: O. Abel. 1919. Die Stämme der Wirbeltiere. Walter de Gruyter, Berlin, Leipzig 914 p.

Parent taxon: Trichechidae according to D. P. Domning 1996

Sister taxa: Ribodon, Trichechinae, Trichechus, Halicorina, Rytinina

Subtaxa: Anomotherium, Miosiren

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Ecology: aquatic herbivore