Chasmops marginatus
No picture of Chasmops marginatus was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Chasmops marginatus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- ChasmopsPBDB
- Diet
- carnivorePBDB, for Phacopina
- Life habit
- low-level epifaunalPBDB, for Trilobita
- Motility
- fast-movingPBDB, for Trilobita
- Vision
- well-developedPBDB, for Pterygometopidae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At most 8.1 million years on record.
Every occurrence read is dated to somewhere between 458 Mya and 449.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
4 occurrences of Chasmops marginatus on record, most of them in the Ordovician. 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
4 occurrences- Ordovician100%
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
3 formations
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The named rock units Chasmops marginatus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Chasmops marginatus and its relatives
OrdovicianWhere Chasmops marginatus and its relatives were recorded in the Ordovician.
Found in the same rock
50 taxa- Asaphus2 sites
- Conolichas2 sites
- Cybellela dentata2 sites
- Cyrtometopella rosenthali2 sites
- Illaenus2 sites
- Otarozoum pahleni2 sites
- Otarozoum peri2 sites
- Rollmops2 sites
- Apidium pygmaeum1 site
- Arachnostega gastrochaenae1 site
- Atractocybeloides berneri1 site
- Atractopyge1 site
- Bassettella gracilis1 site
- Beukeria plicata1 site
- Bilobia alichovae1 site
- Bothriocidaris1 site
- Calyptaulax1 site
- Coelosphaeridium1 site
- Conolichas triconicus1 site
- Cyclocrinites porosus1 site
- Cyrtonotella kuckersiana1 site
- Diplotrypa petropolitana1 site
- Estlandia hispida1 site
- Estoniops bekkeri1 site
The Paleobiology Database records 4 sites for Chasmops marginatus, 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- Trilobite Biostratigraphy in the Middle and Upper Ordovician of Western Leningrad Region3
- Late Ordovician rostroconchs (Mollusca) from fluvial erratics in northwestern Europe1
Each of the 4 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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content0
No picture of Chasmops marginatus was found. Wikipedia, Wikidata and iDigBio were searched and had none.
Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Chasmops marginatus, or no answer at all. This entry cannot say which.
No 3D scan of Chasmops marginatus 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 itChasmops through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Schmidt 1881)