Protacrocrinus

No picture of Protacrocrinus was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Protacrocrinus, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
GlobacrocrininaePBDB
Diet
suspension feederPBDB, for Monobathrida
Life habit
upper-level epifaunalPBDB, for Monobathrida
Motility
stationary, attachedPBDB, for Monobathrida
Vision
blindPBDB, for Crinoidea
Environment
marinePBDB, for Echinodermata

Time the record covers

At most 7 million years on record.

Every occurrence read is dated to somewhere between 358.86 Mya and 351.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Devonian — about 0 of 2 occurrencesCarboniferous — about 2 of 2 occurrencesCarboniferous359–359 Mya — about 0.0 occurrences359–359 Mya — about 0.1 occurrences359–358 Mya — about 0.1 occurrences358–358 Mya — about 0.1 occurrences358–358 Mya — about 0.1 occurrences358–358 Mya — about 0.1 occurrences358–357 Mya — about 0.1 occurrences357–357 Mya — about 0.1 occurrences357–357 Mya — about 0.1 occurrences357–356 Mya — about 0.1 occurrences356–356 Mya — about 0.1 occurrences356–356 Mya — about 0.1 occurrences356–356 Mya — about 0.1 occurrences356–355 Mya — about 0.1 occurrences355–355 Mya — about 0.1 occurrences355–355 Mya — about 0.1 occurrences355–355 Mya — about 0.1 occurrences355–354 Mya — about 0.1 occurrences354–354 Mya — about 0.1 occurrences354–354 Mya — about 0.1 occurrences354–354 Mya — about 0.1 occurrences354–353 Mya — about 0.1 occurrences353–353 Mya — about 0.1 occurrences353–353 Mya — about 0.1 occurrences353–352 Mya — about 0.1 occurrences352–352 Mya — about 0.1 occurrences352–352 Mya — about 0.1 occurrences352–352 Mya — about 0.0 occurrences359.4 Mya351.4 Mya

2 occurrences of Protacrocrinus on record, most of them in the Carboniferous. 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

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

Wassonville — 41.20°N, 92.10°WWassonville — 41.37°N, 91.95°W

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

Protacrocrinus and its relatives

Carboniferous

Where Protacrocrinus and its relatives were recorded in the Carboniferous.

Found in the same rock

20 taxa

The Paleobiology Database records 2 sites for Protacrocrinus, 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

1 reference

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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Protacrocrinus was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Protacrocrinus, or no answer at all. This entry cannot say which.

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itGlobacrocrininae through timeFormations of the CarboniferousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Moore and Strimple 1969