Arctocyon ferox

via iDigBio · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Sits inside
- ArctocyonPBDB
- Diet
- omnivorePBDB, for Arctocyonidae
- Life habit
- ground dwellingPBDB, for Arctocyonidae
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At least 2.5 million years on record.
The record covers at least 63.4 Mya to 60.9 Mya. No occurrence read is dated outside 66 Mya to 57.5 Mya.
31 occurrences of Arctocyon ferox on record, most of them in the Paleocene. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
31 occurrences- Paleocene100%
These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
8 formations
- Nacimiento Formation11
- "Fort Union No. 3" (= Melville) Formation5
- Hanna Formation3
- Fort Union Formation3
- Paskapoo Formation2
- "Fort Union" (= Lebo) Formation1
Loading coastlines…
The named rock units Arctocyon ferox has been recovered from, largest first. Drawn where the rock is now, not where it formed. 4 occurrences have no formation on record, which is common for older literature.
Arctocyon ferox and its relatives
PaleoceneWhere Arctocyon ferox and its relatives were recorded in the Paleocene.
Found in the same rock
279 taxa- Tetraclaenodon puercensis11 sites
- Anisonchus sectorius9 sites
- Pantolambda cavirictus8 sites
- Periptychus carinidens8 sites
- Tricentes subtrigonus8 sites
- Chriacus pelvidens7 sites
- Goniacodon levisanus7 sites
- Promioclaenus acolytus7 sites
- Protictis haydenianus7 sites
- Psittacotherium multifragum7 sites
- Ptilodus6 sites
- Bessoecetor septentrionalis5 sites
- Colpoclaenus procyonoides5 sites
- Dissacus navajovius5 sites
- Ectocion collinus5 sites
- Ignacius frugivorus5 sites
- Litomylus dissentaneus5 sites
- Mioclaenus turgidus5 sites
- Mixodectes malaris5 sites
- Plesiadapis rex5 sites
- Protoselene opisthacus5 sites
- Thryptacodon australis5 sites
- Acmeodon secans4 sites
- Anconodon cochranensis4 sites
The Paleobiology Database records 31 sites for Arctocyon ferox, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
11 references- Synonymies and reidentifications of North American fossil mammals9
- Arctocyon from the Paleocene of North America5
- Paleocene vertebrate paleontology of the San Juan Basin, New Mexico5
- Paleocene mammalian biostratigraphy of the Carbon Basin, southeastern Wyoming, and age constraints on local phases of tectonism3
- Swain Quarry of the Fort Union Formation, Middle Paleocene (Torrejonian), Carbon County, Wyoming: geologic setting and mammalian fauna3
- First mammals from the Paleocene Porcupine Hills Formation of southwestern Alberta, Canada1
- Horolodectes sunae, an enigmatic mammal from the late Paleocene of Alberta, Canada1
- The beginning of the age of mammals in the San Juan Basin, New Mexico; biostratigraphy and evolution of Paleocene mammals of the Nacimiento Formation1
- The Kutz Canyon Local Fauna, Torrejonian (Middle Paleocene) of the San Juan Basin, New Mexico;1
- Late Paleocene (Tiffanian) mammalian fauna of two localities in eastern Montana1
- Le Paleocene continental d'Amerique du nord1
Each of the 31 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1

Picture of Arctocyon ferox
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Arctocyon ferox was found in Sketchfab.
Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itArctocyon through timeFormations of the PaleoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Cope 1883)