Opinions from M. A. Cozzuol 2010
- 'Anisodelphis is a subjective synonym of Ischyrorhynchus'
- 'Brachydelphinae was reranked as the family Brachydelphidae and belongs to Inioidea'
- 'Brachydelphis belongs to Brachydelphidae'
- 'Brachydelphis mazeasi belongs to Brachydelphis'
- 'Delphinus rectifrons is recombined as Pontistes rectifrons'
- 'Goniodelphis belongs to Iniidae'
- 'Goniodelphis hudsoni belongs to Goniodelphis'
- 'Inia belongs to Iniinae'
- 'Iniana was reranked as the family Iniidae and belongs to Inioidea'
- 'Iniinae belongs to Iniidae'
- 'Ischyrorhynchinae belongs to Iniidae'
- 'Ischyrorhynchus belongs to Ischyrorhynchinae'
- 'Ischyrorhynchus vanbenedeni belongs to Ischyrorhynchus'
- 'Parapontoporia belongs to Parapontoporiidae'
- 'Parapontoporiinae was reranked as the family Parapontoporiidae and belongs to Odontoceti'
- 'Plicodontinia is a nomen dubium'
- 'Pliopontos belongs to Pontoporiidae'
- 'Pliopontos littoralis belongs to Pliopontos'
- 'Pontistes belongs to Pontoporiidae'
- 'Pontoporia belongs to Pontoporiidae'
- 'Pontoporiidae belongs to Inioidea'
- 'Proinia is a subjective synonym of Prosqualodon'
- 'Proinia patagonica is a subjective synonym of Prosqualodon australis'
- 'Protophocaena belongs to Brachydelphidae'
- 'Protophocaena minima belongs to Protophocaena'
- 'Saurocetes belongs to Ischyrorhynchinae'
- 'Saurocetes argentinus belongs to Saurocetes'
- 'Saurodelphis gigas is recombined as Saurocetes gigas'
- 'Stenasodelphis belongs to Brachydelphidae'
- 'Stenasodelphis russellae belongs to Stenasodelphis'