Full reference: J. C. Moore. 1968. Relationships among the living genera of beaked whales with classifications, diagnoses and keys. Fieldiana: Zoology 53(4):209-298
Parent taxon: Odontoceti according to M. C. McKenna and S. K. Bell 1997
Sister taxa: Agorophiidae, Atropatenocetus, Delphinida, Delphinoceti, Eurhinodelphinida, Eurhinodelphinoidea, Imerodelphis, Mirocetus, Monodontoidea, Neosqualodon, Oligodelphis, Pandelphinida, Parapontoporiidae, Patriocetidae, Patriocetus, Physeterida, Physeteroidea, Platanistida, Platanistoidea, Prosqualodon, Rhabdosteoidea, Saurocetus, Simocetidae, Squaloceti, Squalodontoidea, Squaloziphius, Synrhina, Waipatiidae, Xenorophidae, Zignodelphinidae, Austrosqualodon trirhizodonta, Microzeuglodon caucasicum, Prophyseter dolloi, Acrodelphinae
Subtaxa: none
Type: Hyperoodontidae
Ecology: aquatic carnivore