Amarassites semiplicatus
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
- AmarassitesPBDB
- Diet
- carnivorePBDB, for Ceratitida
- Life habit
- nektonicPBDB, for Ceratitida
- Motility
- actively mobilePBDB, for Ceratitida
- Vision
- well-developedPBDB, for Cephalopoda
- Environment
- marinePBDB, for Cephalopoda
Time the record covers
At least 11 million years on record.
The record covers at least 227.3 Mya to 215.38 Mya. No occurrence read is dated outside 237 Mya to 211.18 Mya.
6 occurrences of Amarassites semiplicatus on record, most of them in the Late Triassic. 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
6 occurrences- Late Triassic100%
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
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The named rock units Amarassites semiplicatus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.
Amarassites semiplicatus and its relatives
Late TriassicWhere Amarassites semiplicatus and its relatives were recorded in the Late Triassic.
Found in the same rock
52 taxa- Amarassites parmenides3 sites
- Cladiscites beyrichi3 sites
- Alloclionites ares2 sites
- Amarassites laevicostatus2 sites
- Argosirenites dianae2 sites
- Distichites kmetyi2 sites
- Distichites megacanthus2 sites
- Distichites tropicus2 sites
- Eosteinmannites irregularis2 sites
- Leislingites archibaldi2 sites
- Paradistichites ectolcitiformis2 sites
- Pseudosirenites evae2 sites
- Pseudothetidites indicus2 sites
- Steinmannites undulatostriatus2 sites
- Trachypleuraspidites malayicus2 sites
- Alloclionites himamalayicus1 site
- Alloclionites horatii1 site
- Amarassites levis1 site
- Anatomites1 site
- Atractites1 site
- Aulacoceras1 site
- Aulacoceras sulcatum timorensis1 site
- Bivalvia1 site
- Brachiopoda1 site
The Paleobiology Database records 6 sites for Amarassites semiplicatus, 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
2 references- Ammonitenfauna und Stratigraphie im höheren Nor (Alaun, Trias) der Tethys aufgrund neuer Untersuchungen in Timor5
- De stratigraphie van Nederlandsch Oost-Indie. 19. Mesozoikum1
Each of the 6 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 Amarassites semiplicatus
- 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 Amarassites semiplicatus was found in Sketchfab.
Smithsonian Open Access and MorphoSource were 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 itAmarassites through timeFormations of the Late TriassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (von Hauer 1850)