Dugong Lacépède 1799 (dugong)
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
Type: Trichechus dugon
Ecology: aquatic herbivore