Palaearctonyx

Palaearctonyx Temporal range: early to middle Eocene
part of upper jaw of Palaearctonyx meadi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Clade:	Pan-Carnivora
Clade:	Carnivoramorpha
Clade:	Carnivoraformes
Genus:	†Palaearctonyx Matthew, 1909
Type species
†Palaearctonyx meadi Matthew, 1909

Palaearctonyx ("ancient bear's claw") is an extinct genus of omnivorous placental mammals from clade Carnivoraformes, that lived in North America from early to middle Eocene.

Classification and phylogeny

Classification

Palaearctonyx was named by Matthew in 1909 and it was assigned to family Miacidae. Later, it was assigned to Caniformia by Flynn and Galiano in 1982, and than back to Miacidae by Flynn in 1998. From 2010 and later, this genus was assigned to clade Carnivoraformes.

Phylogeny

The phylogenetic relationships of genus Palaearctonyx are shown in the following cladogram:

Carnivoramorpha	†Viverravidae  †Viverravoidea  ?  †Carnivoramorpha sp. (UALVP 50993 & UALVP 50994)  ?  †Ravenictis  sensu lato   ?  †Carnivoramorpha sp. (UALVP 31176)  ?  †Carnivoramorpha sp. (USNM 538395)  ?  †"Sinopa" insectivorus  Carnivoraformes   Clade "B"  †Eogale †"Miacis" sp. (CM 67873 & CM 77299) †Gracilocyon igniculus †Gracilocyon winkleri †Gracilocyon solei †Gracilocyon †Gracilocyon sp. (Jibou, Romania) †Gracilocyon rosei †Gracilocyon rundlei †Paramiacis †Paroodectes  †Oodectes jepseni   †Oodectes   †Oodectes herpestoides   †Oodectes proximus   †Oodectes pugnax   †Uintacyon hookeri   †Uintacyon rudis   †Uintacyon   †Uintacyon massetericus   †Uintacyon vorax   †Uintacyon asodes   †Uintacyon edax   †Uintacyon acutus   †Uintacyon jugulans   †Uintacyon gingerichi  †Xinyuictis †Zodiocyon †Miocyon †Simamphicyon  †Uintacyon sp. (USGS 1983)  †Messelogale †Quercygalidae  Clade "C"   †Palaearctonyx  †Palaearctonyx meadi  (†Phlaodectes)  †Vulpavus ovatus †Vulpavus profectus †Vulpavus australis †Vulpavus canavus †Vulpavus completus †Vulpavus †Vulpavus farsonensis †Vulpavus palustris †Vassacyon †Dormaalocyon †"Miacis" exiguus †"Miacis" deutschi †Africtis  ?  †Carnivoraformes undet. Genus B †Dawsonicyon †"Miacis" boqinghensis †"Miacis" hookwayi †"Miacis" latidens †"Miacis" petilus  ?  †Carnivoraformes undet. Genus A †Miacis  Clade "D"  †Lycarion †"Miacis" hargeri  ?  †Ceruttia †"Miacis" invictus †"Miacis" lushiensis †Neovulpavus †Harpalodon †Procynodictis †Prodaphaenus  ?  †Walshius †"Miacis" gracilis †Tapocyon Carnivora (sensu stricto)	†Gracilocyon/Oodectes clade †Vulpavus clade
(Carnivora [sensu lato])

See also

• Mammal classification
• Carnivoraformes
• Miacidae