Taxonomy Daphoenus



d. vetus skull, paleontology museum of zurich


daphoenus named joseph leidy (1853). type species daphoenus vetus. assigned amphicyonidae leidy (1853) , carroll (1988); , daphoeninae hunt (1998) , hunt (2002).


amphicyonids discussed in robert m. hunt s article global climate , evolution of large mammalian carnivores during later cenozoic in north america. d. vetus largest of species. d. hartshornianus, d. lambei (syn. d. demilo), d. ruber, d. socialis, d. transversus, d. vetus (syn. proamphicyon nebrascensis)


daphoenus hartshornianus named cope (1873). recombined protemnocyon hartshornianus hatcher (1902); recombined daphoenus hartshornianus scott (1898), sinclair (1924), scott , jepsen (1936), galbreath (1953) , hunt (1996). single specimen measured legendre , roth in 1988 estimated body mass. 6.79 kg (15 lb). daphoenus hartshornianus fossils found in oligocene orellan rocks in lower nodular zone, pennington county, south dakota dated @ ~33.4 ma. other sites include prairie dog creek site , warbonnet creek site, sioux county, nebraska ~33.4 ma., bartlett high site, dawes county, nebraska ~33.2 ma., babby butte site, oglala lakota county, south dakota ~33.4 ma—33.2 ma.


daphoenus lambei fossils found in eocene duchesnean rocks @ big red horizon site, presidio county, texas dated @ ~38.4—38.3 ma. other sites include badwater locality 20 site , wood locality site, natrona county, wyoming ~41.8 ma., lac pelletier lower fauna site, saskatchewan ~42.3 ma. single specimen measured legendre , roth in 1988 estimated body mass. 4.84 kg (11 lb).


paradaphoenus transversus named wortman , matthew (1899). type specimen amnh 6851, maxilla (rostrum), , not trace fossil. recombined daphoenus transversus hunt (1998).


daphoenus ruber named stock (1932). type locality tecuya canyon, california. single specimen measured legendre , roth in 1988 estimated body mass. 5.94 kg (13 lb). daphoenus ruber fossils found in oligocene arikareean rocks in tecuya canyon formation of kern county, california other mammal species , dated @ ~29.8—24.8 ma.


daphoenus socialis desinagnated pericyon socialis , named thorpe (1922) genotype. type species of pericyon. recombined daphoenus socialis hunt in 1998. single specimen measured legendre , roth in 1988 estimated body mass. 13 kg (29 lb). daphoenus socialis fossils found in oligocene hemingfordian rocks @ haystack member, wheeler county, oregon dated @ ~24.3 ma. , kimberly member, grant county, oregon several other species of mammal such hesperocyon, hypertragulus, , leptomeryx dating ~25.4—25.3 ma.








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