Crozonaspis incerta

No picture of Crozonaspis incerta 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 Crozonaspis incerta, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
CrozonaspisPBDB
Diet
carnivorePBDB, for Phacopina
Life habit
low-level epifaunalPBDB, for Trilobita
Motility
fast-movingPBDB, for Trilobita
Vision
well-developedPBDB, for Dalmanitidae
Environment
marinePBDB, for Trilobita

Time the record covers

At most 14 million years on record.

Every occurrence read is dated to somewhere between 471.3 Mya and 458.2 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Ordovician — about 12 of 12 occurrencesOrdovician471–471 Mya — about 0.1 occurrences471–470 Mya — about 0.1 occurrences470–470 Mya — about 0.1 occurrences470–469 Mya — about 0.1 occurrences469–469 Mya — about 0.1 occurrences469–469 Mya — about 0.1 occurrences469–468 Mya — about 0.1 occurrences468–468 Mya — about 0.1 occurrences468–467 Mya — about 0.1 occurrences467–467 Mya — about 0.1 occurrences467–466 Mya — about 0.1 occurrences466–466 Mya — about 0.1 occurrences466–465 Mya — about 0.1 occurrences465–465 Mya — about 0.1 occurrences465–464 Mya — about 0.1 occurrences464–464 Mya — about 0.1 occurrences464–463 Mya — about 0.1 occurrences463–463 Mya — about 0.1 occurrences463–462 Mya — about 0.1 occurrences462–462 Mya — about 0.1 occurrences462–461 Mya — about 0.1 occurrences461–461 Mya — about 0.3 occurrences461–461 Mya — about 2 occurrences461–460 Mya — about 2 occurrences460–460 Mya — about 2 occurrences460–459 Mya — about 1 occurrence459–459 Mya — about 1 occurrence459–458 Mya — about 1.0 occurrences471.8 Mya457.7 Mya

12 occurrences of Crozonaspis incerta 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

12 occurrences

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

5 formations

Untere Quartzite — 38.38°N, 3.76°WUntere Quartzite — 38.86°N, 4.08°WUntere Quartzite — 39.05°N, 4.17°WBotella Quartzite — 38.77°N, 4.83°WBotella Quartzite — 38.26°N, 4.13°WBotella Quartzite — 38.72°N, 5.22°WGrès de May — 49.10°N, 0.37°WGrès de May — 49.02°N, 0.74°WMont de Besneville — 49.73°N, 1.94°WBotella-Quarzit — 39.41°N, 7.24°W

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The named rock units Crozonaspis incerta has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Crozonaspis incerta and its relatives

Ordovician

Where Crozonaspis incerta and its relatives were recorded in the Ordovician.

Found in the same rock

24 taxa

The Paleobiology Database records 12 sites for Crozonaspis incerta, 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

3 references

Each of the 12 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 content0

No picture of Crozonaspis incerta 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 Crozonaspis incerta, or no answer at all. This entry cannot say which.

No 3D scan of Crozonaspis incerta 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 itCrozonaspis through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Deslongchamps 1825)