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Perchoerus Temporal range: Late Eocene - Early Oligocene 37–30 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Fossils in Berlin
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Family:	Tayassuidae
Genus:	†Perchoerus Leidy, 1869
Species
P. minor P. nanus P. probus
Synonyms
Bothrolabis Chaenohyus

Perchoerus is an extinct genus of suine from the Eocene and Oligocene of North America. Three species are known. While often considered to be a peccary, other studies have recovered it to be a basal suine outside of either peccaries or Suidae. The oldest known species of Perchoerus is P. minor, which was only the size of a house cat. It is known from skull and tooth material. The later P. nanus of the Orellan grew larger and is known from a skull and lower jaw. The latest and largest species was P. probus of the Oligocene (32-30 mya). It was much larger (about as big as living peccaries) and known from more remains than the other species.

Palaeoecology

Low δC values from the teeth of P. probus suggest that it was an inhabitant of dense riparian habitats.

References

1. ^ Prothero, Donald R. (2021). THE SYSTEMATICS OF NORTH AMERICAN PECCARIES (MAMMALIA: ARTIODACTYLA: TAYASSUIDAE) By · 2021. New Mexico Museum of Natural History and Science. pp. 6–8.
2. Prothero, Donald R. (2009). "THE EARLY EVOLUTION OF THE NORTH AMERICAN PECCARIES". Museum of Northern Arizona Bulletin. 65: 509–542.
3. Parisi Dutra, Rodrigo; Casali, Daniel de Melo; Missagia, Rafaela Velloso; Gasparini, Germán Mariano; Perini, Fernando Araujo; Cozzuol, Mario Alberto (2016-09-13). "Phylogenetic Systematics of Peccaries (Tayassuidae: Artiodactyla) and a Classification of South American Tayassuids". Journal of Mammalian Evolution. 24 (3): 345–358. doi:10.1007/s10914-016-9347-8. hdl:11336/54840. ISSN 1064-7554.
4. Prothero, Donald R.; Williams, Mary Persis (2016). The Princeton Field Guide to Prehistoric Mammals. Princeton University Press. pp. 157–158. ISBN 9781400884452.
5. Boardman, Grant S.; Secord, Ross (1 April 2013). "Stable isotope paleoecology of White River ungulates during the Eocene–Oligocene climate transition in northwestern Nebraska". Palaeogeography, Palaeoclimatology, Palaeoecology. 375: 38–49. doi:10.1016/j.palaeo.2013.02.010. Retrieved 17 November 2024 – via Elsevier Science Direct.

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