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Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Superfamily: Lipotoidea
Family: Lipotidae
Zhou, Qian & Li, 1978

see text.

Lipotidae is a family of river dolphins containing the functionally extinct baiji and the fossil genus Parapontoporia.[1][2] The genus Prolipotes, based on a mandible fragment from Neogene coastal deposits in Guangxi, China,[3] has been classified as an extinct relative of the baiji, but is dubious.[4]

The putative kentriodontid "Lophocetus" pappus is a possible relative of Lipotidae.[5]


  1. ^ Barnes, L.G., 1984. Fossil odontocetes (Mammalia: Cetacea) from the Almejas Formation, Isla Cedros, Mexico. PaleoBios 42:1-46
  2. ^ L. G. Barnes. 1985. Fossil pontoporiid dolphins (Mammalia: Cetacea) from the Pacific Coast of North America. Contributions in Science 363:1-34.
  3. ^ K. Zhou, M. Zhou, and Z. Zhao. 1984. First discovery of a Tertiary platanistoid fossil from Asia. Scientific Reports of the Whales Research Institute 35:173-181.
  4. ^ N. D. Pyenson. 2009. Requiem for Lipotes: An evolutionary perspective on marine mammal extinction. Marine Mammal Evolution 25(3):714-724
  5. ^ Olivier Lambert, Giovanni Bianucci, Mario Urbina, Jonathan H. Geisler; A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families. Zool J Linn Soc 2017; 179 (4): 919-946. doi: 10.1111/zoj.12479.


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