Opinions from M. D. Uhen 2008
- 'Aetiocetus belongs to Aetiocetidae'
- 'Agorophiidae belongs to Odontoceti'
- 'Agorophius belongs to Agorophiidae'
- 'Albertocetus belongs to Xenorophidae'
- 'Albertocetus meffordorum belongs to Albertocetus'
- 'Archaeodelphis belongs to Xenorophidae'
- 'Ashorocetus belongs to Aetiocetidae'
- 'Atropatenocetus belongs to Odontoceti'
- 'Cetotheriopsis belongs to Cetotheriopsidae'
- 'Chonecetus belongs to Aetiocetidae'
- 'Eosqualodon belongs to Squalodontidae'
- 'Ferecetotherium belongs to Physeteridae'
- 'Iniopsis belongs to Eurhinodelphinidae'
- 'Kekenodon belongs to Kekenodontidae'
- 'Mauicetus belongs to Mysticeti'
- 'Micromysticetus belongs to Cetotheriopsidae'
- 'Morawanocetus belongs to Aetiocetidae'
- 'Neoceti belongs to Pelagiceti'
- 'Odontoceti was reranked as a unranked clade and belongs to Neoceti'
- 'Oligodelphis belongs to Odontoceti'
- 'Patriocetidae belongs to Odontoceti'
- 'Patriocetus belongs to Patriocetidae'
- 'Pelagiceti belongs to Cetacea'
- 'Phococetus belongs to Kekenodontidae'
- 'Prosqualodon belongs to Prosqualodontidae'
- 'Simocetidae belongs to Odontoceti'
- 'Simocetus belongs to Simocetidae'
- 'Squalodon belongs to Squalodontidae'
- 'Sulakocetus belongs to Waipatiidae'
- 'Willungacetus belongs to Aetiocetidae'
- 'Xenorophidae belongs to Odontoceti'
- 'Xenorophus belongs to Xenorophidae'