Opinions from H.-Y. Gao and X.-J. Ni 2015
- 'Aegyptocetus belongs to Protocetinae'
- 'Ambulocetidae belongs to Archaeoceti'
- 'Ambulocetus belongs to Ambulocetidae'
- 'Ancalecetus belongs to Dorudontinae'
- 'Andrewsiphius belongs to Remingtonocetidae'
- 'Archaeoceti belongs to Cetacea'
- 'Artiocetus belongs to Protocetinae'
- 'Attockicetus belongs to Remingtonocetidae'
- 'Babiacetus belongs to Georgiacetinae'
- 'Basilosauridae belongs to Archaeoceti'
- 'Basilosaurinae belongs to Basilosauridae'
- 'Basilosaurus belongs to Basilosaurinae'
- 'Basiloterus belongs to Basilosaurinae'
- 'Basilotritus belongs to Basilosaurinae'
- 'Carolinacetus belongs to Georgiacetinae'
- 'Chrysocetus belongs to Dorudontinae'
- 'Crenatocetus belongs to Georgiacetinae'
- 'Cynthiacetus belongs to Dorudontinae'
- 'Dalanistes belongs to Remingtonocetidae'
- 'Dorudon belongs to Dorudontinae'
- 'Dorudontidae was reranked as the subfamily Dorudontinae and belongs to Basilosauridae'
- 'Eocetus belongs to Georgiacetinae'
- 'Gandakasia belongs to Ambulocetidae'
- 'Gaviacetus belongs to Protocetinae'
- 'Georgiacetus belongs to Georgiacetinae'
- 'Himalayacetus belongs to Ambulocetidae'
- 'Ichthyolestes belongs to Pakicetidae'
- 'Indocetus belongs to Protocetinae'
- 'Kutchicetus belongs to Remingtonocetidae'
- 'Maiacetus belongs to Protocetinae'
- 'Makaracetinae belongs to Protocetidae'
- 'Makaracetus belongs to Makaracetinae'
- 'Masracetus belongs to Dorudontinae'
- 'Nalacetus belongs to Pakicetidae'
- 'Natchitochia belongs to Georgiacetinae'
- 'Ocucajea belongs to Dorudontinae'
- 'Pakicetinae was reranked as the family Pakicetidae and belongs to Archaeoceti'
- 'Pakicetus belongs to Pakicetidae'
- 'Pappocetus belongs to Georgiacetinae'
- 'Pontobasileus belongs to Georgiacetinae'
- 'Protocetidae belongs to Archaeoceti'
- 'Protocetinae belongs to Protocetidae'
- 'Protocetus belongs to Protocetinae'
- 'Qaisracetus belongs to Protocetinae'
- 'Remingtonocetidae belongs to Archaeoceti'
- 'Remingtonocetus belongs to Remingtonocetidae'
- 'Rodhocetus belongs to Protocetinae'
- 'Saghacetus belongs to Dorudontinae'
- 'Stromeriinae belongs to Basilosauridae'
- 'Stromerius belongs to Stromeriinae'
- 'Supayacetus belongs to Dorudontinae'
- 'Takracetus belongs to Protocetinae'
- 'Togocetus belongs to Protocetinae'
- 'Zygorhiza belongs to Dorudontinae'