Opinions from G. Bianucci and W. Landini 2007
- 'Aetiocetidae belongs to Aetiocetoidea'
- 'Aetiocetinae belongs to Aetiocetidae'
- 'Aetiocetoidea belongs to Mysticeti'
- 'Agorophiidae belongs to Odontoceti'
- 'Albireonidae belongs to Delphinoidea'
- 'Ambulocetidae belongs to Archaeoceti'
- 'Archaeoceti was reranked as a unranked clade and belongs to Cetacea'
- 'Aulophyseterinae belongs to Physeterida'
- 'Balaenidae belongs to Balaenoidea'
- 'Balaenoidea belongs to Mysticeti'
- 'Balaenopteridae belongs to Balaenopteroidea'
- 'Balaenopteroidea belongs to Mysticeti'
- 'Basilosauridae belongs to Archaeoceti'
- 'Basilosaurinae belongs to Basilosauridae'
- 'Brachydelphinae is corrected as Brachydelphininae and belongs to Pontoporiidae'
- 'Cetotheriinae was reranked as the family Cetotheriidae and belongs to Eomysticetoidea'
- 'Cetotheriopsinae was reranked as the family Cetotheriopsidae and belongs to Eomysticetoidea'
- 'Chonecetinae belongs to Aetiocetidae'
- 'Dalpiazinidae belongs to Platanistoidea'
- 'Delphinapterinae belongs to Monodontidae'
- 'Delphinidae belongs to Delphinoidea'
- 'Delphininae belongs to Delphinidae'
- 'Delphinoidea belongs to Odontoceti'
- 'Diaphorocetus belongs to Physeterida'
- 'Dorudontidae was reranked as the subfamily Dorudontinae and belongs to Basilosauridae'
- 'Eomysticetidae belongs to Eomysticetoidea'
- 'Eomysticetoidea belongs to Mysticeti'
- 'Eoplatanistidae belongs to Eurhinodelphinoidea'
- 'Eschrichtiidae belongs to Balaenopteroidea'
- 'Eurhinodelphidae is corrected as Eurhinodelphinidae and belongs to Eurhinodelphinoidea'
- 'Eurhinodelphoidea is corrected as Eurhinodelphinoidea and belongs to Odontoceti'
- 'Georgiacetinae belongs to Protocetidae'
- 'Hyperoodontinae belongs to Ziphiidae'
- 'Iniana was reranked as the family Iniidae and belongs to Inioidea'
- 'Inioidea belongs to Odontoceti'
- 'Kekenodontinae was reranked as the family Kekenodontidae and belongs to Archaeoceti'
- 'Kentriodontidae belongs to Delphinoidea'
- 'Kentriodontinae belongs to Kentriodontidae'
- 'Kogiidae belongs to Physeteroidea'
- 'Kogiinae belongs to Kogiidae'
- 'Lipotidae belongs to Inioidea'
- 'Lissodelphinae is corrected as Lissodelphininae and belongs to Delphinidae'
- 'Llanocetidae belongs to Mysticeti'
- 'Lophocetinae belongs to Kentriodontidae'
- 'Makaracetinae belongs to Protocetidae'
- 'Mammalodontidae belongs to Mysticeti'
- 'Monodontidae belongs to Delphinoidea'
- 'Monodontinae belongs to Monodontidae'
- 'Morawanocetinae belongs to Aetiocetidae'
- 'Mysticeti was reranked as a unranked clade and belongs to Neoceti'
- 'Naganocetus belongs to Physeterida'
- 'Neobalaenidae belongs to Balaenopteroidea'
- 'Neoceti belongs to Cetacea'
- 'Odobenocetopsidae belongs to Delphinoidea'
- 'Odontoceti was reranked as a unranked clade and belongs to Neoceti'
- 'Orcellidae was reranked as the subfamily Orcaellinae and belongs to Delphinidae'
- 'Orcini was reranked as the subfamily Orcininae and belongs to Delphinidae'
- 'Pakicetinae was reranked as the family Pakicetidae and belongs to Archaeoceti'
- 'Phocaenina was reranked as the family Phocoenidae and belongs to Delphinoidea'
- 'Phocoeninae belongs to Phocoenidae'
- 'Phocoenoidinae belongs to Phocoenidae'
- 'Physeterida was reranked as a unranked clade and belongs to Physeteroidea'
- 'Physeteridae belongs to Physeteroidea'
- 'Physeterinae belongs to Physeteridae'
- 'Physeteroidea belongs to Odontoceti'
- 'Pithanodelphinae is corrected as Pithanodelphininae and belongs to Kentriodontidae'
- 'Platanistina was reranked as the family Platanistidae and belongs to Platanistoidea'
- 'Platanistinae belongs to Platanistidae'
- 'Platanistoidea belongs to Odontoceti'
- 'Pomatodelphininae belongs to Platanistidae'
- 'Pontoporiidae belongs to Inioidea'
- 'Pontoporiinae belongs to Pontoporiidae'
- 'Prosqualodontidae belongs to Platanistoidea'
- 'Protocetidae belongs to Archaeoceti'
- 'Protocetinae belongs to Protocetidae'
- 'Remingtonocetidae belongs to Archaeoceti'
- 'Scaphokogiinae belongs to Kogiidae'
- 'Simocetidae belongs to Odontoceti'
- 'Squalodelphidae is corrected as Squalodelphinidae and belongs to Platanistoidea'
- 'Squalodontidae belongs to Platanistoidea'
- 'Squaloziphiinae belongs to Ziphiidae'
- 'Stenoninae belongs to Delphinidae'
- 'Waipatiidae belongs to Platanistoidea'
- 'Ziphiidae belongs to Ziphioidea'
- 'Ziphiinae belongs to Ziphiidae'
- 'Ziphioidea belongs to Odontoceti'
- 'Zygophyseter belongs to Physeterida'