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Pharsophorus

From Wikipedia, the free encyclopedia
Extinct marsupial-like mammal

Pharsophorus
Temporal range:Mid-Late Oligocene (Deseadan)
~31.1–25.65 Ma
Pharsophorus lacerans
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Sparassodonta
Superfamily:Borhyaenoidea
Genus:Pharsophorus
Ameghino, 1897
Species
  • P. laceransAmeghino, 1897
  • P. tenax Ameghino, 1897
Synonyms
  • Plesiofelis Roth, 1903
  • Pharsophorus cretaceusCabrera, 1927
  • Plesiofelis cretaceus Cabrera, 1927

Pharsophorus is anextinctgenus of borhyaenoidsparassodont that inhabited South America during theMiddle to Late Oligocene epoch.[1]

Taxonomy

[edit]

Originally,Pharsophorus was thought to be aborhyaenid, and was even considered to be the ancestor ofBorhyaena,Acrocyon, andArctodictis, but later phylogenetic analyses have shown that it is not a member of theBorhyaenidae and is only more distantly related to these forms.[2][3] Remains ofPharsophorus are known from theSarmiento Formation of the provinces ofMendoza,Santa Cruz, andChubut in Argentina, as well as theSalla Formation at the fossil site of Salla in western Bolivia.[4][5] The species"Pharsophorus" antiquus, formerly assigned to this genus, was eventually made the type species of a separate genusAustralohyaena.[6]

References

[edit]
  1. ^Pharsophorus atFossilworks.org
  2. ^Marshall, Larry G. (1978).Evolution of the Borhyaenidae, extinct South American predaceous marsupials. Vol. 117. University of California Press. pp. 1–89.ISBN 9780520095717.
  3. ^Forasiepi, Analía M. (2009)."Osteology ofArctodictis sinclairi (Mammalia, Metatheria, Sparassodonta) and phylogeny of Cenozoic metatherian carnivores from South America".Monografías del Museo Argentino de Ciencias Naturales.6:1–174.
  4. ^Patterson, Bryan; Larry G. Marshall (1978). "The Deseadan, Early Oligocene, Marsupialia South America".Fieldiana: Geology.41 (2):37–100.
  5. ^Cerdeño, Bryan (2012)."Quebrada Fiera (Mendoza), un importante centro paleobiogeográfico en el Oligoceno tardío de América del Sur".Estudios Geológicos.67 (2):375–385.doi:10.3989/egeol.40519.194.
  6. ^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.13 (6):503–525.Bibcode:2015JSPal..13..503F.doi:10.1080/14772019.2014.926403.hdl:11336/59430.S2CID 83669335.
Cynodontia
Mammalia
Metatheria
    • see below↓
Deltatheroida
Deltatheridiidae
Sparassodonta
    • see below↓
Asiatheriidae
Archimetatheria
Stagodontidae
Pediomyoidea
Peradectidae
Alphadontidae
Herpetotheriidae
Anatoliadelphyidae
Polydolopimorphia
    • see below↓
Marsupialia
Didelphodon vorax

Alphadon sp.

Herpetotherium fugax
Hathliacynidae
Borhyaenoidea
Borhyaenidae
Proborhyaenidae
Thylacosmiliformes
Thylacosmilidae
Thylacosmilus atrox
Bonapartheriiformes
Bonapartheriidae
Argyrolagidae
Chulpasiinae
Prepidolopidae
Rosendolopidae
Polydolopiformes
Polydolopidae
Sillustaniidae
Argyrolagus palmeri
Pharsophorus


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