Petrocrania prona

No picture of Petrocrania prona was found. Wikidata and iDigBio were searched and had none. Wikipedia and 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 Petrocrania prona, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PetrocraniaPBDB
Diet
suspension feederPBDB, for Petrocrania
Life habit
epifaunalPBDB, for Petrocrania
Motility
stationary, attached, epibiontPBDB, for Petrocrania
Vision
blindPBDB, for Craniata
Environment
marinePBDB, for Craniata

Time the record covers

At most 14 million years on record.

Every occurrence read is dated to somewhere between 471.3 Mya and 457.3 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Ordovician — about 5 of 5 occurrencesOrdovician471–471 Mya — about 0.2 occurrences471–470 Mya — about 0.2 occurrences470–470 Mya — about 0.2 occurrences470–469 Mya — about 0.2 occurrences469–469 Mya — about 0.2 occurrences469–468 Mya — about 0.2 occurrences468–468 Mya — about 0.2 occurrences468–467 Mya — about 0.2 occurrences467–467 Mya — about 0.2 occurrences467–466 Mya — about 0.2 occurrences466–466 Mya — about 0.2 occurrences466–465 Mya — about 0.2 occurrences465–465 Mya — about 0.2 occurrences465–464 Mya — about 0.2 occurrences464–464 Mya — about 0.2 occurrences464–463 Mya — about 0.2 occurrences463–463 Mya — about 0.2 occurrences463–462 Mya — about 0.2 occurrences462–462 Mya — about 0.2 occurrences462–461 Mya — about 0.2 occurrences461–461 Mya — about 0.2 occurrences461–460 Mya — about 0.2 occurrences460–460 Mya — about 0.2 occurrences460–459 Mya — about 0.2 occurrences459–459 Mya — about 0.2 occurrences459–458 Mya — about 0.2 occurrences458–458 Mya — about 0.2 occurrences458–457 Mya — about 0.2 occurrences471.8 Mya456.8 Mya

5 occurrences of Petrocrania prona 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

5 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

2 formations

Valcour — 44.71°N, 73.19°WValcour — 44.30°N, 73.31°WValcour — 44.89°N, 73.44°WChazy Limestone — 44.31°N, 73.31°W

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The named rock units Petrocrania prona 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.

Petrocrania prona and its relatives

Ordovician

Where Petrocrania prona and its relatives were recorded in the Ordovician.

Found in the same rock

56 taxa

The Paleobiology Database records 5 sites for Petrocrania prona, 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

Each of the 5 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 Petrocrania prona was found. Wikidata and iDigBio were searched and had none.

Wikipedia and 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 Petrocrania prona, or no answer at all. This entry cannot say which.

No 3D scan of Petrocrania prona 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 itPetrocrania through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Raymond 1906)