Pharsophorus

Pharsophorus
Temporal range: Middle Oligocene
Conservation status
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Metatheria
Order: Sparassodonta
Superfamily: †Borhyaenoidea
Genus: Pharsophorus
Ameghino, 1887
Species
  • P. lacerans
  • P. tenax

Pharsophorus is an extinct genus of borhyaenoid sparassodont that inhabited South America during the mid-to-late Oligocene epoch. Originally, Pharsophorus was though to be a borhyaenid, and was even considered to be the direct ancestor of Borhyaena, Acrocyon, and Arctodictis, but later phylogenetic analyses have shown that it is not a member of the Borhyaenidae and is only more distantly related to these forms.[1][2] Remains of Pharsophorus are known from the provinces of Mendoza, Santa Cruz, and Chubut in Argentina, as well as the fossil site of Salla in western Bolivia.[3][4] The species "Pharsophorus" antiquus, formerly assigned to this genus, was eventually made the type species of a separate genus Australohyaena.[5]

References

  1. Marshall, Larry G. (1978). "Evolution of the Borhyaenidae, extinct South American predaceous marsupials" 117. University of California Press. pp. 1–89. ISBN 9780520095717.
  2. Forasiepi, Analía M. (2009). "Osteology of Arctodictis sinclairi (Mammalia, Metatheria, Sparassodonta) and phylogeny of Cenozoic metatherian carnivores from South America". Monografías del Museo Argentino de Ciencias Naturales 6: 1–174.
  3. Patterson, Bryan; Larry G. Marshall (1978). "The Deseadan, Early Oligocene, Marsupialia South America". Fieldiana: Geology 41 (2): 37–100.
  4. Cerdeño, Bryan (2012). "Quebrada Fiera (Mendoza), an important paleobiogeographic center in the South American late Oligocene". Estudios Geológicos: Geology 67 (2): 375–385. doi:10.3989/egeol.40519.194.
  5. Analía M. Forasiepi, M. Judith Babot and Natalia Zimicz (2014). "Australohyaena antiqua (Mammalia, Metatheria, Sparassodonta), a large predator from the Late Oligocene of Patagonia". Journal of Systematic Palaeontology. in press. doi:10.1080/14772019.2014.926403.