Subfamily Herpetocetinae Steeman 2007 (whale)
Mammalia - Cetacea - Cetotheriidae
Full reference: M. E. Steeman. 2007. Cladistic analysis and a revised classification of fossil and recent mysticetes. Zoological Journal of the Linnean Society 150:875-894
Parent taxon: Cetotheriidae according to K. K. Tarasenko and A. V. Lopatin 2012
Sister taxa: Cetotheriinae, Herpetocetus, Hibacetus, Joumocetus, Metopocetus, Mixocetus, Nannocetus, Neobalaeninae, Palaeobalaena, Piscobalaena, Plesiocetopsis
Subtaxa: Cephalotropis, Vampalus
Ecology: aquatic carnivore-suspension feeder