Parapontoporia

Parapontoporia; Temporal range:
	Reconstruction of Parapontoporia pacifica (top) with the fossil porpoise Piscolithax tedfordi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	Lipotidae
Genus:	†Parapontoporia; Barnes, 1984
Species
	P. pacifica; P. sternbergi; P. wilsoni;

Parapontoporia is an extinct genus of dolphin that lived off the Californian coast from the Late Miocene until the genus' extinction during the Pliocene.[1][2] It is related to the baiji.[3]

Skull (left), along with the skull of Semirostrum.

References

Barnes, L.G. (July 1984). "Fossil odontocetes (Mammalia: Cetacea) from the Almejas Formation, Isla Cedros, Mexico". PaleoBios. 42: 1–46.
The Paleobiology Database
Boessenecker, Robert W.; Poust, Ashley W. (2015). "Freshwater occurrence of the extinct dolphin Parapontoporia (Cetacea: Lipotidae) from the upper Pliocene nonmarine Tulare Formation of California". Palaeontology. 58 (3): 489–496. doi:10.1111/pala.12153. S2CID 128980362.

SDNHM Fossil Mysteries Field Guide: Long-snouted Dolphin

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[1] Barnes, L.G. (July 1984). "Fossil odontocetes (Mammalia: Cetacea) from the Almejas Formation, Isla Cedros, Mexico". PaleoBios. 42: 1–46.

[TPBDB-2] The Paleobiology Database

[3] Boessenecker, Robert W.; Poust, Ashley W. (2015). "Freshwater occurrence of the extinct dolphin Parapontoporia (Cetacea: Lipotidae) from the upper Pliocene nonmarine Tulare Formation of California". Palaeontology. 58 (3): 489–496. doi:10.1111/pala.12153. S2CID 128980362.