Colodon occidentalis

via iDigBio · CC0 · 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
- ColodonPBDB
- Diet
- browserPBDB, for Tapiridae
- Life habit
- ground dwellingPBDB, for Tapiridae
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At most 5.2 million years on record.
Every occurrence read is dated to somewhere between 37 Mya and 31.8 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
15 occurrences of Colodon occidentalis on record, most of them in the Oligocene. 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
15 occurrencesThese 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
3 formations
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The named rock units Colodon occidentalis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Colodon occidentalis and its relatives
OligoceneWhere Colodon occidentalis and its relatives were recorded in the Oligocene.
Found in the same rock
174 taxa- Archaeotherium mortoni8 sites
- Mesohippus bairdi8 sites
- Merycoidodon culbertsonii7 sites
- Leptomeryx evansi6 sites
- Hyaenodon horridus5 sites
- Hyracodon5 sites
- Miniochoerus gracilis5 sites
- Palaeolagus haydeni5 sites
- Agriochoerus antiquus4 sites
- Brontotheriidae4 sites
- Daphoenus4 sites
- Hypertragulus calcaratus4 sites
- Ischyromys typus4 sites
- Peltosaurus4 sites
- Perchoerus nanus4 sites
- Poebrotherium wilsoni4 sites
- Subhyracodon occidentalis4 sites
- Altasciurus relictus3 sites
- Dinictis3 sites
- Eumys elegans3 sites
- Eutypomys thomsoni3 sites
- Hesperocyon gregarius3 sites
- Hoplophoneus primaevus3 sites
- Hyaenodon crucians3 sites
The Paleobiology Database records 15 sites for Colodon occidentalis, 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
10 references- Synonymies and reidentifications of North American fossil mammals3
- Eocene-Oligocene faunas of the Cypress Hills Formation, Saskatchewan2
- Analysis of the Preservation of Community Structure in Assemblages of Fossil Mammals2
- The Faunas of the Concretionary Zones of the Oreodon Beds, White River Oligocene2
- The facial skeleton of the early Oligocene Colodon (Perissodactyla, Tapiroidea)1
- Mammals of the Swift Current Creek Local Fauna (Eocene: Uintan), Saskatchewan1
- Middle and late Cenozoic tapirs from Nebraska1
- Geology, paleoecology, and paleoclimatology of the Chadron Formation1
- Paleoecology of the Lower Nodular Zone, Brule Formation, in the Big Badlands of South Dakota1
- Fossil mammals of the Lower Miocene White River beds. Collection of 18921
Each of the 15 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 content2

Picture of Colodon occidentalis
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
CT scan
- Source
- MorphoSource
- Credit
- unassigned
- Licence
- In Copyright
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Colodon occidentalis · amnh:FAM 42891
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itColodon through timeFormations of the OligoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Leidy 1868)