Full reference: R. E. Fordyce. 1994. Waipatia maerewhenua, New Genus and New Species, Waipatiidae, New Family, an archaic late Oligocene dolphin (Cetacea: Odontoceti: Platanistoidea) from New Zealand. Contributions in Marine Mammal Paleontology Honoring Frank C. Whitmore Jr., Proceedings of the San Diego Society of Natural History 29:147-176
Sister taxa: none
Type specimen: OU 22095, a skull. Its type locality is The Earthquakes, which is in a Duntroonian marine limestone in the Otekaikae Limestone Formation of New Zealand.
Ecology: aquatic carnivore
Average measurements (in mm): skull 600.0 x 244.0