Diploceraspis
Diploceraspis is an extinct genus of diplocaulid nectrideans. It lived in North America during the Permian period. It closely resembles its relative, Diplocaulus. It generally sports the same features as Diplocaulus, though it was smaller, measuring over 46 cm. Beerbower originally recognised two species, D. burkei and D. conemaughensis, but they are no longer regarded as being distinct from one another as their size ranges were found to overlap. Other species include D. meritae from Nebraska and an indeterminate species from Oklahoma. Diplocaulus minimus of Late Permian Morocco may be of this genus.

Creator:Dmitry Bogdanov · CC BY 3.0 · 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
- DiplocaulidaePBDB
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- brackish,freshwater,terrestrialPBDB, for Tetrapoda
Time the record covers
At least 6.7 million years on record.
The record covers at least 300.3 Mya to 293.52 Mya. No occurrence read is dated outside 307.4 Mya to 290.1 Mya.
25 occurrences of Diploceraspis on record, most of them in the Permian. 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
25 occurrences- Carboniferous12%
- Permian88%
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
- Greene Formation · Dunkard Group20
- Washington Formation · Dunkard Group2
- Greeene Formation · Dunkard Group1
- Pittsburgh Formation · Monongahela Group1
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The named rock units Diploceraspis 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.
Diploceraspis and its relatives
PermianWhere Diploceraspis and its relatives were recorded in the Permian.
Found in the same rock
4 taxa- Brachydectes newberryi1 site
- Edaphosaurus colohistion1 site
- Edops1 site
- Lysorophus dunkardensis1 site
The Paleobiology Database records 24 sites for Diploceraspis, and this reads all of them. The number is how many of those sites it was catalogued from too.
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
2 references- Morphology, paleoecology, and phylogeny of the Permo-Pennsylvania amphibian Diploceraspis24
- Morphology, Phylogeny, and Evolution of Diadectidae (Cotylosauria: Diadectomorpha)1
Each of the 25 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. Each entry links to the Paleobiology Database's own record for the work.
Media and terms
Media content1
Picture of Diploceraspis
- Source
- Wikipedia/Commons
- Credit
- Creator:Dmitry Bogdanov
- Licence
- CC BY 3.0
- Commercial use
- the licence allows it
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
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 itDiplocaulidae through timeFormations of the PermianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0.