†superfamily Kentriodontoidea Slijper 1936 (toothed whale)
Parent taxon: Delphinida according to Z. Guo and N. Kohno 2023
Sister taxa: Anacharsis, Atocetus, Brevirostrodelphis, Cammackacetus, Delphinavus, Delphinoidea, Hadrodelphis, Herbeinodelphis, Inioidea, Kentriodontidae, Liolithax, Lipotidae, Lipotoidea, Macrokentriodon, Miminiacetus, Miodelphis, Monodontoidae, Pictodelphis, Pithanodelphis, Platylithax, Tagicetus, Westmorelandelphis
Subtaxa: Lophocetidae
Ecology: aquatic carnivore
Distribution:
• Miocene of Japan (1 collection), United States (4: California, Florida, Maryland)
Total: 5 collections each including a single occurrence