Puma pardoides was originally described in 1846 by Richard Owen as Felis pardoides.[2] A complete skull, described in 1954 as Panthera schaubi,[3] was reassigned in 1965 to a new genus as Viretailurus schaubi due to distinct differences from other pantherine cats.[4] However, in 2001, it was proposed that various puma-like fossils found in Eurasia could all be attributed to a single species: Puma pardoides.[5][6] In 2004, Viretailurus schaubia was also determined to be a junior synonym of Puma pardoides.[7]
Panthera schaubi or Viretailurus schaubi was historically often regarded as a basal member of the genus Panthera.[8] However, research in 2004 concluded that Viretailurus should actually be included in the genus Puma as a junior synonym of Puma pardoides.[9] Some authors have continued to consider Viretailurus the correct genus for this species.[1] However, their classification was difficult, due to the similarities between leopards and pumas, until teeth found at the Upper Pliocene Transcaucasian site of Kvabebi were found to be similar to those of pumas.[7] It is generally considered that Puma pardoides is closely related to the living cougar (Puma concolor, also known as the puma or mountain lion), which has lent support to the idea of a Eurasian origin of the cougar lineage.[10]
Description
Hemmer (2004) estimated that Puma pardoides weighed between 35–100kg (77–220lb),[11] comparable but more similar to large individuals of the living cougar.[12] The cranial and postcranial bones of P. pardoides were more robust than those of the living cougar.[10]
Much like cougars, Puma pardoides was probably a solitary ambush hunter with an estimated preferred prey mass of around 45–180kg (99–397lb), with smaller and larger prey of 10–45kg (22–99lb) and 180–360kg (400–790lb) respectively probably being taken less often.[12] Evidence from the late Early Pleistocene site of Untermassfeld in Germany suggests that at this locality P. pardoides extensively preyed on deer (Cervidae). Suggested prey species include the extinct roe deerCapreolus cusanoides, and the fallow deer-sized species Cervus nestii. At Untermassfeld it is also suggested to have hunted wild boar (Sus scrofa).[14]
The last known occurrences of Puma pardoides are from about 0.85 Ma. The extinction of this felid (which also coincided with the extinction of other carnviores, including Pachycrocuta, Megantereon, and Xenocyon[18]) may have been result of significant climatic change in Europe as part of the Mid-Pleistocene Transition.[19] Following the extinction of P. pardoides, its ecological niche was taken over by the European leopard (Panthera pardus), which arrived in Europe around the beginning of the Middle Pleistocene.[18]
1 2 Owen, Richard (1846). A History of British Fossil Mammals, and Birds. London: John Van Voorst. OCLC4425335.
1 2 Viret, J. (1954). "Le loess à bancs durcis de Saint-Vallier (Drôme) et sa faune de mammifères villafranchiens". Nouvelles archives du Muséum d'histoire naturelle de Lyon. 4: 1–200. doi:10.3406/mhnly.1954.986.
↑ Hemmer, H. (2001). "Die Feliden aus dem Epivillafranchium von Untermassfeld". In Kahlke, R. D. (ed.). Das Pleistozän von Untermassfeld bei Meiningen (Thüringen). Bonn: Römisch-Germaisches Zentralmuseum. pp.699–782.
↑ Cherin, Marco; Iurino, Dawid A.; Sardella, Raffaele (2013). "Earliest occurrence of Puma pardoides (Owen, 1846) (Carnivora, Felidae) at the Plio/Pleistocene transition in western Europe: New evidence from the Middle Villafranchian assemblage of Montopoli, Italy". Comptes Rendus Palevol. 12 (3): 165–171. Bibcode:2013CRPal..12..165C. doi:10.1016/j.crpv.2013.01.002.
↑ Hemmer, H. (2004). "Notes on the ecological role of European cats (Mammalia: Felidae) of the last two million years". Miscelánea en Homenaje a Emiliano Aguirre, Museo Arqueológico Regional (in Spanish). pp.214–232.
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