Archaeocyon ("ancient dog") is an extinct genus of the Borophaginae subfamily of canids native to North America. It lived during the Oligocene epoch 32-24...

Hesperocyoninae. The earliest and most primitive borophagine is the genus Archaeocyon, which is a small fox-sized animal mostly found in the fossil beds in...

members of the Hesperocyonines, the genus Hesperocyon, gave rise to Archaeocyon and Leptocyon. These branches led to the borophagine and canine radiations...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

can still be distinguished from more primitive borophagines such as Archaeocyon, Rhizocyon, and Cynarctoides. Characters placing it in Phlaocyon includes...

6.5 million years. Rhizocyon was similar to a contemporary species, Archaeocyon leptodus, from the Great Plains, but it shows a few subtle differences...

Genus Species Clade Epoch Image Notes †Archaeocyon †A. leptodus (type) †A. pavidus †A. falkenbachi †Borophaginae Oligocene...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Genus Species Location Stratigraphic position Material Notes Images Archaeocyon A. pavidus Picture Gorge 30, Blue Basin level 1. Turtle Cove Member....

known member of the subfamily Borophaginae, although the later appearing Archaeocyon was more primitive. PaleoBiology Database: Otarocyon Taxonomy, Species...

†Anchitherium Antilocapra †Antilocapra americana Apalone †Aphelops †Archaeocyon †Archaeohippus †Archaeotherium †Arctodus †Arctodus simus †Arctonasua...

†Aramornis longurio – type locality for species Aramus †Archaeocyon †Archaeocyon leptodus †Archaeocyon pavidus †Archaeohippus †Archaeohippus penultimus – type...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

†Aphelops megalodus †Apternodus †Apternodus mediaevus †Archaeocyon †Archaeocyon leptodus †Archaeocyon pavidus †Archaeohippus †Archaeohippus blackbergi – or...

species Arbacia †Arbacia abiquaensis – type locality for species †Archaeocyon †Archaeocyon pavidus †Archaeohippus †Archaeohippus ultimus †Archaeolagus †Archaeolagus...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

†Aletodon †Allognathosuchus – type locality for genus Amia †Ampelopsis †Archaeocyon †Archaeotherium †Arctocyon Azolla †Batrachosauroides Betula †Bisonalveus...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

unidentified comparable form †Antilocapra americana †Aphelops †Araucaria †Archaeocyon †Archaeohippus †Arctocyon †Arctodus †Arctodus simus †Arctostaphylos Arundo...

Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon Borophagini...

santaclarana †Arca sisquocensis †Arca terminumbonis †Arceuthobium †Archaeocyon †Archaeocyon pavidus †Archaeohippus †Archaeohippus mourningi †Archaeohippus...

locality for species Araucaria †Araucaria longifolia †Archaeocyon †Archaeocyon falkenbachi †Archaeocyon leptodus †Archaeolagus †Archaeolagus emeraldensis...