Opinions from V. Bouetel and C. Muizon 2006
- 'Aetiocetidae belongs to Aetiocetoidea'
- 'Aetiocetinae belongs to Aetiocetidae'
- 'Aetiocetoidea belongs to Mysticeti'
- 'Aetiocetus belongs to Aetiocetinae'
- 'Aetiocetus cotylalveus belongs to Aetiocetus'
- 'Aglaocetus belongs to Mysticeti'
- 'Aglaocetus patulus belongs to Aglaocetus'
- 'Archaeoceti was reranked as a infraorder and belongs to Cetacea'
- 'Autoceta belongs to Cetacea'
- 'Balaena belongs to Balaenidae'
- 'Balaena glacialis is recombined as Eubalaena glacialis'
- 'Balaena marginata is recombined as Caperea marginata'
- 'Balaena mysticetus belongs to Balaena'
- 'Balaena novaeangliae is recombined as Megaptera novaeangliae'
- 'Balaena physalus is recombined as Balaenoptera physalus'
- 'Balaenoptera belongs to Balaenopterinae'
- 'Balaenoptera acutorostrata belongs to Balaenoptera'
- 'Balaenoptera robusta is recombined as Eschrichtius robustus'
- 'Balaenopteridae belongs to Mysticeti'
- 'Balaenopterinae belongs to Balaenopteridae'
- 'Balanadae is corrected as Balaenidae and belongs to Mysticeti'
- 'Basilosauridae belongs to Archaeoceti'
- 'Basilosaurinae belongs to Basilosauridae'
- 'Basilosaurus kochii is recombined as Zygorhiza kochii'
- 'Caperea belongs to Neobalaenidae'
- 'Cetotheriinae was reranked as the family Cetotheriidae and belongs to Mysticeti'
- 'Cetotherium belongs to Cetotheriidae'
- 'Cetotherium moreni is recombined as Aglaocetus moreni'
- 'Cetotherium rathkii is corrected as Cetotherium rathkei and belongs to Cetotherium'
- 'Chonecetinae belongs to Aetiocetidae'
- 'Chonecetus belongs to Chonecetinae'
- 'Chonecetus goedertorum belongs to Chonecetus'
- 'Chonecetus sookensis belongs to Chonecetus'
- 'Cophocetus belongs to Mysticeti'
- 'Cophocetus oregonensis belongs to Cophocetus'
- 'Diorocetus belongs to Mysticeti'
- 'Diorocetus hiatus belongs to Diorocetus'
- 'Dorudon belongs to Dorudontinae'
- 'Dorudon serratus belongs to Dorudon'
- 'Dorudontidae was reranked as the subfamily Dorudontinae and belongs to Basilosauridae'
- 'Eomysticetus belongs to Mysticeti'
- 'Eomysticetus whitmorei belongs to Eomysticetus'
- 'Eschrichtiidae belongs to Mysticeti'
- 'Eubalaena belongs to Balaenidae'
- 'Herpetocetus belongs to Cetotheriidae'
- 'Herpetocetus scaldiensis belongs to Herpetocetus'
- 'Megaptera belongs to Megapterinae'
- 'Megaptera (Eschrichtius) was reranked as Eschrichtius and belongs to Eschrichtiidae'
- 'Megapterinae belongs to Balaenopteridae'
- 'Mesocetus is a nomen dubium'
- 'Metopocetus belongs to Cetotheriidae'
- 'Metopocetus durinasus belongs to Metopocetus'
- 'Mixocetus belongs to Cetotheriidae'
- 'Mixocetus elysius belongs to Mixocetus'
- 'Mizuhoptera sendaicus is recombined as Herpetocetus sendaicus'
- 'Mysticeti was reranked as a infraorder and belongs to Autoceta'
- 'Nannocetus belongs to Cetotheriidae'
- 'Nannocetus eremus belongs to Nannocetus'
- 'Neobalaenidae belongs to Mysticeti'
- 'Parietobalaena belongs to Mysticeti'
- 'Parietobalaena palmeri belongs to Parietobalaena'
- 'Pelocetus belongs to Mysticeti'
- 'Pelocetus calvertensis belongs to Pelocetus'
- 'Piscobalaena belongs to Cetotheriidae'
- 'Piscobalaena nana belongs to Piscobalaena'
- 'Prozeuglodon atrox is recombined as Dorudon atrox'
- 'Zygorhiza belongs to Basilosaurinae'