Heptodon calciculus

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
- HeptodonPBDB
- Diet
- browserPBDB, for Tapiroidea
- Life habit
- ground dwellingPBDB, for Tapiroidea
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At most 11 million years on record.
Every occurrence read is dated to somewhere between 56 Mya and 45.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
56 occurrences of Heptodon calciculus on record, most of them in the Eocene. 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
56 occurrences- Eocene100%
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
4 formations
Loading coastlines…
The named rock units Heptodon calciculus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Heptodon calciculus and its relatives
EoceneWhere Heptodon calciculus and its relatives were recorded in the Eocene.
Found in the same rock
306 taxa- Phenacodus vortmani30 sites
- Coryphodon27 sites
- Absarokius abbotti25 sites
- Paramys copei25 sites
- Esthonyx bisulcatus24 sites
- Cantius abditus23 sites
- Hyopsodus20 sites
- Paramys excavatus19 sites
- Arenahippus pernix17 sites
- Hyopsodus lysitensis17 sites
- Hyopsodus powellianus17 sites
- Lambdotherium popoagicum16 sites
- Microsyops latidens16 sites
- Vulpavus australis16 sites
- Vulpavus canavus16 sites
- Diacodexis15 sites
- Palaeictops bicuspis15 sites
- Phenacolemurinae15 sites
- Prototomus15 sites
- Diacodexis metsiacus14 sites
- Hyopsodus minor14 sites
- Uintacyon asodes14 sites
- Bunophorus13 sites
- Cantius frugivorus13 sites
The Paleobiology Database records 56 sites for Heptodon calciculus, 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 mammals13
- Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary13
- Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming11
- Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado7
- Stratigraphy, mammalian paleontology, paleoecology, and age correlation of the Wasatch Formation, Fossil Butte National Monument, Wyoming3
- Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming3
- Distribution and stratigraphic correlation of upper Paleocene and lower Eocene fossil mammal and plant localities of the Fort Union, Willwood, and Tatman formations, southern Bighorn Basin, Wyoming2
- Rare taxa, biostratigraphy, and the Wasatchian-Bridgerian boundary in North America1
- Laramide tectonics and deposition, Washakie Range and northwestern Wind River Basin, Wyoming1
- A New Species of Orohippus (Perissodactyla, Equidae) from the Early Eocene of Wyoming1
- The mammalian fauna of the Lysite Member, Wind River Formation (early Eocene) of Wyoming1
Each of the 56 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 Heptodon calciculus
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
Laser scan
- Source
- MorphoSource
- Licence
- In Copyright
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Heptodon calciculus · AMNH:FM:294
Smithsonian Open Access was 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 itHeptodon through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Cope 1880)