Alternative spelling: Cetaceae
Invalid subtaxa: Anarnak Lacepede 1804 [nomen dubium], Archaeocetus Sinzow 1898 [nomen dubium], Berardiopsis pliocaenus Portis 1886 [nomen dubium], Cetotheriomorphus dubius Brandt 1873 [nomen dubium], Cetotolites McCoy 1879 [nomen dubium], Delphinapterus (Pachypleurus) Brandt 1873 [nomen dubium], Delphinodon debilis Leidy 1857 [nomen dubium], Globicephalus eocaenus Ameghino 1901 [nomen nudum], Manatus giganteus DeKay 1842 [nomen dubium], Mesoplodon blasii Brandt 1873 [nomen dubium], Mesoplodon blasiusi Brandt 1873 [nomen dubium], Mesotaria leclerci Delfortrie 1872 [nomen dubium], Mesotaria leclercii Delfortrie 1872 [nomen dubium], Otaria leclercii Delfortrie 1872 [nomen dubium], Pachypleurus Brandt 1873 [nomen dubium], Phoca debilis Leidy 1857 [nomen dubium], Platyosphys Kellogg 1936 [nomen dubium], Pristinocetus Trouessart 1898 [nomen dubium], Squalodon debilis Leidy 1857 [nomen dubium], Trichechus giganteus DeKay 1842 [nomen dubium], Ziphius blasii Brandt 1873 [nomen dubium]
Full reference: M. J. Brisson. 1762. Regnum Animale in classes IX distributum, sive synopsis methodica, Ed. 2
Parent taxon: Cetancodonta according to J.-R. Boisserie et al. 2011
Sister taxa: Cetaceamorpha, Hippopotamoidea
Subtaxa: Ambulocetidae, Archaeoceti, Balaenodontae, Balaenoidorum, Kekenodontidae, Metasqualodon, Pagiodon, Pakicetidae, Pelagiceti, Phococetus, Proteroceta, Remingtonocetidae, Rhynchoceti
Ecology: aquatic carnivore