Scaphohippus
Scaphohippus is an extinct Miocene genus of equine, with two known species, known from fossils found in California, New Mexico, Montana, and Nebraska.

Ted Fremd · Public Domain · via Wikipedia/Commons. 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
- EquinaePBDB
- Diet
- grazer, browserPBDB, for Equinae
- Life habit
- ground dwellingPBDB, for Equinae
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At most 18 million years on record.
Every occurrence read is dated to somewhere between 23.04 Mya and 5.333 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
48 occurrences of Scaphohippus on record, most of them in the Miocene. 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
48 occurrences- Miocene100%
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
10 formations
- Barstow Formation14
- Bopesta Formation13
- Punchbowl Formation7
- Olcott Formation4
- Tesuque Formation2
- Cajon Valley Formation2
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The named rock units Scaphohippus 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.
Scaphohippus and its relatives
MioceneWhere Scaphohippus and its relatives were recorded in the Miocene.
Found in the same rock
172 taxa- Microtomarctus conferta9 sites
- Aphelops megalodus8 sites
- Camelidae8 sites
- Paratomarctus temerarius8 sites
- Aelurodon asthenostylus7 sites
- Leptocyon leidyi6 sites
- Tomarctus brevirostris6 sites
- Acritohippus isonesus5 sites
- Merycodontinae5 sites
- Tomarctus hippophaga5 sites
- Archaeohippus mourningi4 sites
- Protepicyon raki4 sites
- Rhinocerotidae4 sites
- Teleoceras medicornutum4 sites
- Acritohippus stylodontus3 sites
- Aepycamelus3 sites
- Anchitheriinae3 sites
- Cupidinimus halli3 sites
- Cupidinimus lindsayi3 sites
- Cynarctoides acridens3 sites
- Cynarctus galushai3 sites
- Dromomeryx borealis3 sites
- Merychippus insignis3 sites
- Merychyus relictus3 sites
The Paleobiology Database records 42 sites for Scaphohippus, 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
15 references- Stratigraphy Of The Middle Miocene Bopesta Formation, Southern Sierra Nevada, California13
- Scaphohippus, a new genus of horse (Mammalia: Equidae) from the Barstow Formation of California10
- Stratigraphy of the Punchbowl Formation, Cajon Valley, southern California7
- Two fossil accumulations in the Upper Barstow Formation, Mud Hills, Mojave Desert, CA3
- Dietary Change and Evolution of Horses in North America3
- New remains of middle Miocene equids from the Cajon Valley Formation, San Bernardino National Forest, San Bernardino County, California, USA2
- Potassium-argon dates and the Cenozoic mammalian chronology of North America2
- Neogene stratigraphy and biochronology of the Española Basin, northern New Mexico1
- "Merychippus" stylodontus and "M" intermontanus: biostratigraphy and basic morphology of two Barstovian tridactyl horses1
- The Mojave Desert Province1
- Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America1
- Mammalian biochronology of the late Cenozoic basins of New Mexico1
Each of the 48 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. 3 further references are not listed. 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 Scaphohippus
- Source
- Wikipedia/Commons
- Credit
- Ted Fremd
- Licence
- Public Domain
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Credit
- WesternScienceCenter
- Licence
- CC Attribution-NonCommercial
- Commercial use
- the licence does not allow it
Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itEquinae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Pagnac 2006