Opinions from F. G. Marx and R. E. Fordyce 2015
- 'Aetiocetidae belongs to Mysticeti'
- 'Aetiocetus belongs to Aetiocetidae'
- 'Aetiocetus cotylalveus belongs to Aetiocetus'
- 'Aetiocetus polydentatus belongs to Aetiocetus'
- 'Aetiocetus weltoni belongs to Aetiocetus'
- 'Aglaocetus belongs to Balaenopteroidea'
- 'Aglaocetus patulus belongs to Aglaocetus'
- 'Archaebalaenoptera belongs to Balaenopteridae'
- 'Archaebalaenoptera castriarquati belongs to Archaebalaenoptera'
- 'Aulocetus sammarinensis is recombined as Titanocetus sammarinensis'
- 'Balaena belongs to Balaenidae'
- 'Balaena belgica is recombined as Eubalaena belgica'
- 'Balaena marginata is recombined as Caperea marginata'
- 'Balaena montalionis belongs to Balaena'
- 'Balaena musculus is recombined as Balaenoptera musculus'
- 'Balaena mysticetus belongs to Balaena'
- 'Balaena novaeangliae is recombined as Megaptera novaeangliae'
- 'Balaena physalus is recombined as Balaenoptera physalus'
- 'Balaena ricei belongs to Balaena'
- 'Balaenella belongs to Balaenidae'
- 'Balaenella brachyrhynus belongs to Balaenella'
- 'Balaenoptera belongs to Balaenopteridae'
- 'Balaenoptera acutorostrata belongs to Balaenoptera'
- 'Balaenoptera bertae belongs to Balaenoptera'
- 'Balaenoptera bonaerensis belongs to Balaenoptera'
- 'Balaenoptera borealis belongs to Balaenoptera'
- 'Balaenoptera portisii is an invalid subgroup of Balaenopteridae'
- 'Balaenoptera omurai belongs to Balaenoptera'
- 'Eschrichtius robustus is an invalid subgroup of Eschrichtius'
- 'Balaenoptera ryani is an invalid subgroup of Balaenoptera'
- 'Balaenoptera siberi belongs to Balaenoptera'
- 'Balaenopteroidea belongs to Plicogulae'
- 'Balaenula belongs to Balaenidae'
- 'Balaenula astensis belongs to Balaenula'
- 'Balanadae is corrected as Balaenidae and belongs to Chaeomysticeti'
- 'Brandtocetus belongs to Cetotheriidae'
- 'Brandtocetus chongulek belongs to Brandtocetus'
- 'Caperea belongs to Neobalaeninae'
- 'Cephalotropis belongs to Cetotheriidae'
- 'Cephalotropis coronatus belongs to Cephalotropis'
- 'Cephalotropis nectus is a subjective synonym of Cephalotropis coronatus'
- 'Cetotheriinae was reranked as the family Cetotheriidae and belongs to Plicogulae'
- 'Cetotherium belongs to Cetotheriidae'
- 'Eschrichtioides gastaldii is an invalid subgroup of Eschrichtioides'
- 'Cetotherium megalophysum is an invalid subgroup of Cetotheriidae'
- 'Cetotherium moreni is recombined as Aglaocetus moreni'
- 'Cetotherium rathkii belongs to Cetotherium'
- 'Cetotherium riabinini belongs to Cetotherium'
- 'Chaeomysticeti belongs to Mysticeti'
- 'Chonecetus belongs to Aetiocetidae'
- 'Chonecetus goedertorum belongs to Chonecetus'
- 'Chonecetus sookensis belongs to Chonecetus'
- 'Diorocetus belongs to Balaenopteroidea'
- 'Diorocetus chichibuensis belongs to Diorocetus'
- 'Diorocetus hiatus belongs to Diorocetus'
- 'Diorocetus shobarensis belongs to Diorocetus'
- 'Diunatans belongs to '
- 'Diunatans luctoretemergo belongs to Diunatans'
- 'Eomysticetidae belongs to Mysticeti'
- 'Eomysticetus belongs to Eomysticetidae'
- 'Eomysticetus whitmorei belongs to Eomysticetus'
- 'Eschrichtiinae belongs to Balaenopteridae'
- 'Eschrichtioides belongs to '
- 'Eubalaena belongs to Balaenidae'
- 'Eubalaena shinshuensis belongs to Eubalaena'
- 'Gricetoides belongs to '
- 'Gricetoides aurorae belongs to Gricetoides'
- 'Herpetocetinae belongs to Cetotheriidae'
- 'Herpetocetus belongs to Herpetocetinae'
- 'Herpetocetus bramblei belongs to Herpetocetus'
- 'Herpetocetus morrowi belongs to Herpetocetus'
- 'Herpetocetus transatlanticus belongs to Herpetocetus'
- 'Isanacetus belongs to Balaenopteroidea'
- 'Isanacetus laticephalus belongs to Isanacetus'
- 'Janjucetus belongs to Mammalodontidae'
- 'Janjucetus hunderi belongs to Janjucetus'
- 'Joumocetus belongs to Cetotheriidae'
- 'Joumocetus shimizui belongs to Joumocetus'
- 'Kurdalagonus belongs to Cetotheriidae'
- 'Kurdalagonus mchedlidzei belongs to Kurdalagonus'
- 'Llanocetus belongs to Mysticeti'
- 'Llanocetus denticrenatus belongs to Llanocetus'
- 'Lophocephalus parki is recombined as Mauicetus parki'
- 'Mammalodon belongs to Mammalodontidae'
- 'Mammalodon colliveri belongs to Mammalodon'
- 'Mammalodontidae belongs to Mysticeti'
- 'Mauicetus belongs to Balaenopteroidea'
- 'Megaptera belongs to Balaenopteridae'
- 'Megaptera (Eschrichtius) was reranked as Eschrichtius and belongs to '
- 'Megaptera hubachi is an invalid subgroup of Balaenopteridae'
- 'Megaptera miocaena is an invalid subgroup of Megaptera'
- 'Metopocetus belongs to Cetotheriidae'
- 'Metopocetus durinasus belongs to Metopocetus'
- 'Micromysticetus belongs to Eomysticetidae'
- 'Micromysticetus rothauseni belongs to Micromysticetus'
- 'Miocaperea belongs to Neobalaeninae'
- 'Miocaperea pulchra belongs to Miocaperea'
- 'Morawanocetus belongs to Aetiocetidae'
- 'Morawanocetus yabukii belongs to Morawanocetus'
- 'Morenocetus belongs to Balaenidae'
- 'Morenocetus parvus belongs to Morenocetus'
- 'Nannocetus belongs to Herpetocetinae'
- 'Nannocetus eremus belongs to Nannocetus'
- 'Neobalaenidae was reranked as the subfamily Neobalaeninae and belongs to Cetotheriidae'
- 'Parabalaenoptera belongs to Balaenopteridae'
- 'Parabalaenoptera baulinensis belongs to Parabalaenoptera'
- 'Parietobalaena belongs to Balaenopteroidea'
- 'Parietobalaena campiniana belongs to Parietobalaena'
- 'Parietobalaena palmeri belongs to Parietobalaena'
- 'Parietobalaena yamaokai belongs to Parietobalaena'
- 'Pelocetus belongs to Balaenopteroidea'
- 'Pelocetus calvertensis belongs to Pelocetus'
- 'Peripolocetus belongs to Balaenidae'
- 'Peripolocetus vexillifer belongs to Peripolocetus'
- 'Pinocetus belongs to Balaenopteroidea'
- 'Pinocetus polonicus belongs to Pinocetus'
- 'Piscobalaena belongs to Cetotheriidae'
- 'Piscobalaena nana belongs to Piscobalaena'
- 'Plesiobalaenoptera belongs to '
- 'Plesiobalaenoptera quarantellii belongs to Plesiobalaenoptera'
- 'Plicogulae belongs to Chaeomysticeti'
- 'Thinocetus belongs to Balaenopteroidea'
- 'Thinocetus arthritus belongs to Thinocetus'
- 'Tiphyocetus belongs to Balaenopteroidea'
- 'Tiphyocetus temblorensis belongs to Tiphyocetus'
- 'Titanocetus belongs to Cetotheriidae'
- 'Uranocetus belongs to Balaenopteroidea'
- 'Uranocetus gramensis belongs to Uranocetus'
- 'Yamatocetus belongs to Eomysticetidae'
- 'Yamatocetus canaliculatus belongs to Yamatocetus'