Tvaerenella

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

On record

Recorded, not inferred
Sits inside
PiretellidaePBDB
Diet
suspension feederPBDB, for Palaeocopida
Life habit
epifaunalPBDB, for Palaeocopida
Motility
actively mobilePBDB, for Ostracoda
Vision
limitedPBDB, for Ostracoda
Environment
marinePBDB, for Ostracoda

Time the record covers

At least 10 million years on record.

The record covers at least 459.7 Mya to 449.5 Mya. No occurrence read is dated outside 471.3 Mya to 445.2 Mya.

Ordovician — about 15 of 15 occurrencesOrdovician472–471 Mya — about 0.1 occurrences471–470 Mya — about 0.1 occurrences470–469 Mya — about 0.1 occurrences469–468 Mya — about 0.1 occurrences468–467 Mya — about 0.1 occurrences467–466 Mya — about 0.1 occurrences466–465 Mya — about 0.1 occurrences465–465 Mya — about 0.1 occurrences465–464 Mya — about 0.1 occurrences464–463 Mya — about 0.1 occurrences463–462 Mya — about 0.1 occurrences462–461 Mya — about 0.4 occurrences461–460 Mya — about 1.0 occurrences460–459 Mya — about 0.7 occurrences459–458 Mya — about 0.5 occurrences458–457 Mya — about 1.0 occurrences457–456 Mya — about 0.2 occurrences456–456 Mya — about 0.1 occurrences456–455 Mya — about 0.1 occurrences455–454 Mya — about 0.3 occurrences454–453 Mya — about 0.9 occurrences453–452 Mya — about 1 occurrence452–451 Mya — about 2 occurrences451–450 Mya — about 2 occurrences450–449 Mya — about 2 occurrences449–448 Mya — about 0.3 occurrences448–447 Mya — about 0.3 occurrences447–446 Mya — about 0.3 occurrences446–446 Mya — about 0.3 occurrences446–445 Mya — about 0.1 occurrences459.7 Mya449.5 Mya471.8 Mya444.7 Mya

15 occurrences of Tvaerenella 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

15 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

11 formations

Zagornyi — 68.00°N, 88.00°EDalby — 61.00°N, 15.00°EFolkeslunda — 60.91°N, 15.02°ELindero — 35.00°S, 68.00°WDolbor — 62.14°N, 91.56°ETuloi — 52.02°N, 87.12°EVruda — 59.58°N, 29.18°EIzvar — 59.35°N, 29.35°EIssan — 53.99°N, 44.65°EElizavetinskaya — 58.37°N, 32.80°EGorayivskaya — 48.57°N, 27.03°E

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The named rock units Tvaerenella has been recovered from, largest first. Drawn where the rock is now, not where it formed. 3 occurrences have no formation on record, which is common for older literature.

Tvaerenella and its relatives

Ordovician

Where Tvaerenella and its relatives were recorded in the Ordovician.

Found in the same rock

238 taxa

The Paleobiology Database records 15 sites for Tvaerenella, 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

9 references

Each of the 15 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 Tvaerenella 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 Tvaerenella, 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 itPiretellidae through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Jaanusson 1957