PaleoDB taxon number: 42933
Synonyms: Hydrothereuta Ameghino 1889 [objective synonym] (no. 68490), Zeuglodonta Ameghino 1889 (no. 68489), Zeuglodontes Pictet 1853 (no. 105059), Zeuglodontia Pictet 1853 (no. 69265)
Full reference: W. H. Flower. 1883. On the arrangement of the Orders and Families of existing Mammalia. Proceedings of the Zoological Society of London 1883:178-186
Parent taxon: Cetacea according to A. E. Hernández Cisneros et al. 2017
Sister taxa: Ambulocetidae, Anarnak, Archaeocetus, Balaenodontae, Balaenoidorum, Berardiopsis, Berardiopsis pliocaenus, Cetotheriomorphus dubius, Cetotherium priscum, Cetotolites, Globicephalus eocaenus, Loncodelphis, Manatus giganteus, Mystacoceta, Nanisocetus, Neoballaenidae, Otaria leclercii, Oxypterus, Pakicetidae, Palaeocetus, Pelagiceti, Pristinocetus, Proteroceta, Protocetidae, Protocetoidea, Remingtonocetidae, Remingtonocetoidea, Rhynchoceti, Tretosphrys, Zeugloceta, Ziphius blasii
Subtaxa: Basilosauroidea
Ecology: ground dwelling grazer-browser