Griphomys
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
- GeomyoideaPBDB
- Diet
- herbivorePBDB, for Rodentia
- Life habit
- ground dwellingPBDB, for Rodentia
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At least 2.7 million years on record.
The record covers at least 39.7 Mya to 37 Mya. No occurrence read is dated outside 45.9 Mya to 33.9 Mya.
26 occurrences of Griphomys 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
26 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
6 formations
- Sespe Formation14
- Santiago Formation7
- Stadium Formation1
- "Brian Head" Formation1
- Pomerado Formation1
- White River Formation1
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The named rock units Griphomys has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Griphomys and its relatives
EoceneWhere Griphomys and its relatives were recorded in the Eocene.
Found in the same rock
239 taxa- Simimys simplex11 sites
- Pareumys10 sites
- Proterixoides davisi10 sites
- Sespedectes singularis10 sites
- Peradectes californicus9 sites
- Microparamys woodi8 sites
- Dyseolemur pacificus7 sites
- Microparamys tricus6 sites
- Boidae5 sites
- Brontotheriidae5 sites
- Leptoreodon stocki5 sites
- Metanoiamys5 sites
- Protoreodon walshi5 sites
- Protylopus robustus5 sites
- Protylopus stocki5 sites
- Trionychidae5 sites
- Amynodon advenus4 sites
- Batodonoides powayensis4 sites
- Centetodon aztecus4 sites
- Lacertilia4 sites
- Metanoiamys marinus4 sites
- Protoreodon pumilus4 sites
- Simimeryx hudsoni4 sites
- Testudines4 sites
The Paleobiology Database records 25 sites for Griphomys, 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
12 references- Additional Uintan and Duchesnean (Middle and Late Eocene) mammals from the Sespe Formation, Simi Valley, California10
- Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California3
- Synonymies and reidentifications of North American fossil mammals2
- Middle Eocene mammal faunas of San Diego County, California2
- Biostratigraphy of Uintan and Duchesnean land mammal assemblages from the Middle Member of the Sespe Formation, Simi Valley, California2
- Rodents (Mammalia) from the Pilgrim Creek Local Fauna, Wyoming: a mixed Eocene and Oligocene assemblage (Duchesnean To Whitneyan)1
- New records of Epihippus (Equidae) and a rhinocerotoid perissodactyl from the middle Eocene Santiago Formation of southern California1
- Early Chadronian (late Eocene) rodents from the Flagstaff Rim area, central Wyoming1
- Rodents and a Marsupial (Mammalia) From the Duchesnean (Eocene) Turtle Basin Local Fauna, Sevier Plateau, Utah1
- New Late Uintan to Early Hemingfordian Land Mammal Assemblages from the Undifferentiated Sespe and Vaqueros Formations, Orange County, and from the Sespe and Equivalent Marine Formations in Los Angeles, Santa Barbara, and Ventura Counties, Southern California1
- A new Mio-Pliocene marine bone-bed from north-central Chile1
- Small rodents (Mammalia) from Eocene deposits of San Diego County, California1
Each of the 26 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 Griphomys
- 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 Griphomys was found in MorphoSource and Sketchfab.
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 itGeomyoidea through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Wilson 1940