Eunema quadrisulcata

No picture of Eunema quadrisulcata 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 Eunema quadrisulcata, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
EunemaPBDB
Diet
detritivorePBDB, for Murchisoniina
Life habit
epifaunalPBDB, for Murchisoniina
Motility
slow-movingPBDB, for Murchisoniina
Vision
limitedPBDB, for Murchisoniina
Environment
coastal,marinePBDB, for Murchisoniina

Time the record covers

At least 600 thousand years on record.

The record covers at least 450.2 Mya to 449.6 Mya. No occurrence read is dated outside 451 Mya to 445.5 Mya.

Ordovician — about 8 of 8 occurrencesOrdovician451–451 Mya — about 0.6 occurrences451–451 Mya — about 0.9 occurrences451–450 Mya — about 0.9 occurrences450–450 Mya — about 0.9 occurrences450–450 Mya — about 1 occurrence450–450 Mya — about 1 occurrence450–450 Mya — about 0.8 occurrences450–449 Mya — about 0.1 occurrences449–449 Mya — about 0.1 occurrences449–449 Mya — about 0.1 occurrences449–449 Mya — about 0.1 occurrences449–448 Mya — about 0.1 occurrences448–448 Mya — about 0.1 occurrences448–448 Mya — about 0.1 occurrences448–448 Mya — about 0.1 occurrences448–448 Mya — about 0.1 occurrences448–447 Mya — about 0.1 occurrences447–447 Mya — about 0.1 occurrences447–447 Mya — about 0.1 occurrences447–447 Mya — about 0.1 occurrences447–447 Mya — about 0.1 occurrences447–446 Mya — about 0.1 occurrences446–446 Mya — about 0.1 occurrences446–446 Mya — about 0.1 occurrences446–446 Mya — about 0.1 occurrences446–445 Mya — about 0.1 occurrences450.2 Mya – 449.6 Mya451.5 Mya445 Mya

8 occurrences of Eunema quadrisulcata 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

8 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

4 formations

Scales Shale — 42.00°N, 90.50°WScales Shale — 43.02°N, 91.73°WDubuque — 46.00°N, 94.00°WDubuque — 42.00°N, 90.50°WMaquoketa — 46.00°N, 94.00°WPort Clarence Limestone — 65.50°N, 165.92°W

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

Eunema quadrisulcata and its relatives

Ordovician

Where Eunema quadrisulcata and its relatives were recorded in the Ordovician.

Found in the same rock

53 taxa

The Paleobiology Database records 8 sites for Eunema quadrisulcata, 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

3 references

Each of the 8 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 the Paleobiology Database's own record for the work.

Media and terms

Media content0

No picture of Eunema quadrisulcata 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 Eunema quadrisulcata, 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 itEunema through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Ulrich and Scofield 1897)