| Cetacea Brisson, 1762 |
| Odontoceti Flower, 1867 |
| Delphinida Muizon, 1988a |
| Inioidea Gray, 1846sensu Muizon, 1988a |
| Pan-Inia (NCN) (panstem-based version of Inia (Blainville, 1817)) |
| Isthminia, gen. nov. LSID: urn:lsid:zoobank.org:act:83F6A9B4-289D-45DE-A3D1-C361DAAAF973. |
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