Tetranota bidorsata

Tetranota bidorsata

via iDigBio · CC0 · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
TetranotaPBDB
Diet
detritivorePBDB, for Plectonotidae
Life habit
epifaunalPBDB, for Plectonotidae
Motility
actively mobilePBDB, for Plectonotidae
Vision
limitedPBDB, for Gastropoda
Environment
marinePBDB, for Bellerophontida

Time the record covers

At least 10 million years on record.

The record covers at least 461.1 Mya to 450.2 Mya. No occurrence read is dated outside 471.3 Mya to 449.5 Mya.

Ordovician — about 35 of 35 occurrencesOrdovician472–471 Mya — about 0.1 occurrences471–470 Mya — about 0.2 occurrences470–470 Mya — about 0.2 occurrences470–469 Mya — about 0.2 occurrences469–468 Mya — about 0.2 occurrences468–467 Mya — about 0.3 occurrences467–466 Mya — about 0.3 occurrences466–466 Mya — about 0.3 occurrences466–465 Mya — about 0.3 occurrences465–464 Mya — about 0.3 occurrences464–463 Mya — about 0.3 occurrences463–463 Mya — about 0.3 occurrences463–462 Mya — about 0.3 occurrences462–461 Mya — about 0.3 occurrences461–460 Mya — about 0.2 occurrences460–460 Mya — about 0.2 occurrences460–459 Mya — about 0.2 occurrences459–458 Mya — about 0.2 occurrences458–457 Mya — about 0.3 occurrences457–457 Mya — about 3 occurrences457–456 Mya — about 3 occurrences456–455 Mya — about 3 occurrences455–454 Mya — about 3 occurrences454–454 Mya — about 3 occurrences454–453 Mya — about 2 occurrences453–452 Mya — about 2 occurrences452–451 Mya — about 2 occurrences451–451 Mya — about 4 occurrences451–450 Mya — about 4 occurrences450–449 Mya — about 0.7 occurrences461.1 Mya450.2 Mya471.8 Mya449 Mya

35 occurrences of Tetranota bidorsata 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

35 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

19 formations

Dunleith — 42.00°N, 90.50°WChaumont — 45.45°N, 76.69°WChaumont — 45.41°N, 75.73°WChaumont — 45.57°N, 74.93°WChaumont — 45.62°N, 74.69°WChaumont — 45.33°N, 75.72°WCrown Point — 44.58°N, 73.53°WCrown Point — 44.63°N, 73.42°WCrown Point — 43.95°N, 73.44°WIon — 42.00°N, 90.50°WKope — 38.80°N, 84.16°WMurfreesboro Limestone — 35.50°N, 86.50°WPierce Limestone — 35.50°N, 86.50°WRidley Limestone — 35.50°N, 86.50°WLebanon Limestone — 35.50°N, 86.50°WDecorah Shale — 46.00°N, 94.00°WCummingsville — 46.00°N, 94.00°WProsser Limestone — 46.00°N, 94.00°WStewartville — 46.00°N, 94.00°WGuttenberg — 42.00°N, 90.50°WWise Lake — 42.00°N, 90.50°WBobcaygeon — 45.54°N, 75.29°WDay Point — 44.61°N, 73.44°WRed River — 52.06°N, 97.44°WHølonda — 63.13°N, 9.98°E

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

Tetranota bidorsata and its relatives

Ordovician

Where Tetranota bidorsata and its relatives were recorded in the Ordovician.

Found in the same rock

398 taxa

The Paleobiology Database records 35 sites for Tetranota bidorsata, 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 35 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 content1

Picture of Tetranota bidorsata

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Tetranota bidorsata 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 itTetranota through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Hall 1847)