Mammalia - Sirenia - Dugongidae

Synonyms: Amblychilus Fischer von Waldheim 1814, Dugongidus Gray 1821, Dugungus Tiedemann 1808, Halicora Fleming 1822, Halicore, Platystomus Fischer von Waldheim 1803

Parent taxon: Halicoridae according to W. Turner 1912

Sister taxa: Anisosiren, Dugonginae, Halitheriinae, Hydrodamalinae, Indosiren, Miodugong, Paralitherium, Prohalicore, Rytiodinae, Rytiodus, Sirenavus

Subtaxa: Dugong dugon

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Type: Trichechus dugon

Ecology: aquatic herbivore