Eurekia
No picture of Eurekia 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 Eurekia, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- EurekiidaePBDB
- Diet
- carnivorePBDB, for Trilobita
- Life habit
- low-level epifaunalPBDB, for Asaphida
- Motility
- fast-movingPBDB, for Asaphida
- Vision
- well-developedPBDB, for Eurekiidae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At least 2 million years on record.
The record covers at least 488.9 Mya to 486.85 Mya. No occurrence read is dated outside 497 Mya to 477.1 Mya.
63 occurrences of Eurekia on record, most of them in the Cambrian. 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
63 occurrences- Cambrian92%
- Ordovician8%
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
16 formations
- Signal Mountain Limestone Formation20
- Wilberns Formation · Moore Hollow Group11
- Rabbitkettle Formation9
- Mistaya Formation4
- Shallow Bay Formation · Cow Head Group4
- Windfall Formation4
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The named rock units Eurekia has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Eurekia and its relatives
CambrianWhere Eurekia and its relatives were recorded in the Cambrian.
Found in the same rock
165 taxa- Euptychaspis kirki16 sites
- Stenopilus latus13 sites
- Idiomesus levisensis12 sites
- Calvinella9 sites
- Idiomesus intermedius8 sites
- Bowmania americana7 sites
- Yukonaspis7 sites
- Bynumina vescula6 sites
- Calvinella tenuisculpta6 sites
- Larifugula leonensis6 sites
- Meniscocoryphe platycephala6 sites
- Plethopeltis6 sites
- Pseudagnostus planulatus6 sites
- Tatonaspis6 sites
- Apatokephaloides clivosus5 sites
- Bayfieldia simata5 sites
- Prosaukia serotina5 sites
- Triarthropsis marginata5 sites
- Zacompsus5 sites
- Briscoia llanoensis4 sites
- Euptychaspis4 sites
- Euptychaspis jugalis4 sites
- Euptychaspis typicalis4 sites
- Idiomesus4 sites
The Paleobiology Database records 53 sites for Eurekia, 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
18 references- Late Cambrian and earliest Ordovician trilobites, Timbered Hills and Lower Arbuckle Groups, Western Arbuckle Mountains, Murray County, Oklahom20
- Sunwaptan and Ibexian (Upper Cambrian-Lower Ordovician) trilobites of the Rabbitkettle Formation, Mountain River region, northern Mackenzie Mountains, northwest Canada9
- Trilobites of the Upper Cambrian Ptychaspid Biomere Wilberns Formation, central Texas7
- Trilobites of the Upper Cambrian Sunwaptan Stage, southern Canadian Rocky Mountains, Alberta5
- Sunwaptan (Upper Cambrian) trilobites of the Cow Head Group, western Newfoundland, Canada4
- The Moore Hollow Group of Central Texas4
- The stratigraphic section in the vicinity of Eureka, Nevada3
- A new Sunwaptan (Late Cambrian) trilobite fauna from the Upper Mississippi valley1
- A Late Cambrian (Sunwaptan) Silicified Trilobite Fauna from Nevada1
- Evenness, richness and the Cambrian-Paleozoic faunal transition in North America: an assemblage-level perspective1
- Trilobites from the upper part of the Deadwood Formation (Upper Franconian and Trempealeauan stages, Upper Cambrain), Black Hills, South Dakota1
- Uppermost Cambrian slope deposits at Highgate Gorge, Vermont: a minor miscorrelation with major consequences for conodont - and trilobite - based chronocorrelation1
Each of the 63 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. 6 further references are not listed. 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 Eurekia 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 Eurekia, or no answer at all. This entry cannot say which.
No 3D scan of Eurekia was found in MorphoSource and Sketchfab.
Smithsonian Open Access was 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 itEurekiidae through timeFormations of the CambrianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Walcott 1924