Archaeoceratops oshimai

Uncredited · via Wikidata/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
- ArchaeoceratopsPBDB
- Diet
- herbivorePBDB, for Ceratopsia
- Life habit
- ground dwellingPBDB, for Ceratopsia
- Motility
- actively mobilePBDB, for Ornithischia
- Environment
- terrestrialPBDB, for Ceratopsia
Time the record covers
At most 3.1 million years on record.
Every occurrence read is dated to somewhere between 113.2 Mya and 110.1 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
2 occurrences of Archaeoceratops oshimai on record, most of them in the Early Cretaceous. 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
2 occurrences- Early Cretaceous100%
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
1 formation
- Zhonggou Formation · Xinminbao Group2
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The named rock units Archaeoceratops oshimai has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Archaeoceratops oshimai and its relatives
Early CretaceousWhere Archaeoceratops oshimai and its relatives were recorded in the Early Cretaceous.
Found in the same rock
6 taxa- Dromaeosauridae1 site
- Gongpoquansaurus mazongshanensis1 site
- Mesoeucrocodylia1 site
- Ornithopoda1 site
- Psittacosaurus1 site
- Sinornithoides1 site
The Paleobiology Database records 2 sites for Archaeoceratops oshimai, 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- On the crocodiles from the Mazongshan area, Gansu Province, China1
- On a primitive neoceratopsian from the Early Cretaceous of China1
Each of the 2 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 Archaeoceratops oshimai
- Source
- Wikidata/Commons
- Credit
- nobody named on the record
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Archaeoceratops oshimai 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 itArchaeoceratops through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Dong and Azuma 1997