Xenorophidae

Xenorophidae Temporal range: Oligocene PreЄ Є O S D C P T J K Pg N
Cotylocara
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Parvorder:	Odontoceti
Family:	†Xenorophidae Uhen, 2008
Genera
Albertodelphis Archaeodelphis Cotylocara Echovenator Xenorophus

Xenorophidae is an extinct family of primitive odontocetes currently known from the Oligocene of the southeastern US. Known genera of xenorophids include Albertocetus, Archaeodelphis, Cotylocara, Echovenator, and Xenorophus.^{[1][2][3][4][5]}

References

1. M. D. Uhen. 2008. A new Xenorophus-like odontocete cetacean form the Oligocene of North Carolina and a discussion of the basal odontocete radiation. Journal of Systematic Paleontology 6(4):433-452
2. Jonathan H. Geisler, Matthew W. Colbert, James L. Carew. A new fossil species supports an early origin for toothed whale echolocation. Nature, 2014; DOI: 10.1038/nature13086
3. R. Kellogg. 1923. Description of an apparently new toothed cetacean from South Carolina. Smithsonian Miscellaneous Collections 76(7):1-7
4. G. M. Allen. 1921. A new fossil cetacean. Bulletin of the Museum of Comparative Zoology 65(1):1-14
5. Morgan Churchill; Manuel Martinez-Caceres; Christian de Muizon; Jessica Mnieckowski; Jonathan H. Geisler (2016). "The Origin of High-Frequency Hearing in Whales". Current Biology. in press. doi:10.1016/j.cub.2016.06.004.