Symphysurina walcotti

No picture of Symphysurina walcotti 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 Symphysurina walcotti, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
SymphysurinaPBDB
Diet
carnivorePBDB, for Trilobita
Life habit
low-level epifaunalPBDB, for Asaphida
Motility
fast-movingPBDB, for Asaphida
Environment
marinePBDB, for Trilobita

Time the record covers

At least 450 thousand years on record.

The record covers at least 486.85 Mya to 486.4 Mya. No occurrence read is dated outside 490.2 Mya to 477.1 Mya.

Cambrian — about 13 of 31 occurrencesCambrianOrdovician — about 18 of 31 occurrencesOrdovician490–490 Mya — about 1 occurrence490–489 Mya — about 1 occurrence489–489 Mya — about 2 occurrences489–488 Mya — about 2 occurrences488–488 Mya — about 2 occurrences488–487 Mya — about 2 occurrences487–487 Mya — about 2 occurrences487–486 Mya — about 1 occurrence486–486 Mya — about 1 occurrence486–486 Mya — about 1 occurrence486–485 Mya — about 1 occurrence485–485 Mya — about 1 occurrence485–484 Mya — about 1 occurrence484–484 Mya — about 1 occurrence484–483 Mya — about 1 occurrence483–483 Mya — about 0.7 occurrences483–482 Mya — about 0.7 occurrences482–482 Mya — about 0.7 occurrences482–481 Mya — about 0.7 occurrences481–481 Mya — about 0.7 occurrences481–480 Mya — about 0.7 occurrences480–480 Mya — about 0.7 occurrences480–479 Mya — about 0.7 occurrences479–479 Mya — about 0.7 occurrences479–478 Mya — about 0.7 occurrences478–478 Mya — about 0.7 occurrences478–478 Mya — about 0.7 occurrences478–477 Mya — about 0.7 occurrences486.85 Mya – 486.4 Mya490.7 Mya476.6 Mya

31 occurrences of Symphysurina walcotti 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

31 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

7 formations

Wilberns — 31.00°N, 99.26°WWilberns — 28.75°N, 99.23°WWilberns — 30.93°N, 99.41°WSurvey Peak — 52.88°N, 118.08°WHouse — 38.92°N, 113.36°WHouse — 38.70°N, 113.52°WHouse Limestone — 39.50°N, 113.39°WHouse Limestone — 38.92°N, 113.36°WGreen Point — 49.83°N, 57.87°WUpper Hales — 38.00°N, 116.00°WSignal Mountain Limestone — 34.82°N, 98.41°W

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

Symphysurina walcotti and its relatives

Ordovician

Where Symphysurina walcotti and its relatives were recorded in the Ordovician.

Found in the same rock

45 taxa

The Paleobiology Database records 30 sites for Symphysurina walcotti, 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

8 references

Each of the 31 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 Symphysurina walcotti 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 Symphysurina walcotti, or no answer at all. This entry cannot say which.

No 3D scan of Symphysurina walcotti 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

Occurrence data from the Paleobiology Database, CC BY 4.0. Kindle 1929