Polygnathus semicostatus

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

On record

Recorded, not inferred
Sits inside
PolygnathusPBDB
Diet
carnivorePBDB, for Conodonta
Life habit
nektonicPBDB, for Conodonta
Motility
actively mobilePBDB, for Conodonta
Vision
well-developedPBDB, for Conodonta

Time the record covers

At least 6.9 million years on record.

The record covers at least 372.15 Mya to 365.2 Mya. No occurrence read is dated outside 382.31 Mya to 358.86 Mya.

Devonian — about 61 of 61 occurrencesDevonianCarboniferous — about 0 of 61 occurrences383–382 Mya — about 0.0 occurrences382–381 Mya — about 0.1 occurrences381–380 Mya — about 0.1 occurrences380–380 Mya — about 0.1 occurrences380–379 Mya — about 0.1 occurrences379–378 Mya — about 0.1 occurrences378–377 Mya — about 0.1 occurrences377–376 Mya — about 0.1 occurrences376–375 Mya — about 0.1 occurrences375–375 Mya — about 0.1 occurrences375–374 Mya — about 0.1 occurrences374–373 Mya — about 0.1 occurrences373–372 Mya — about 0.1 occurrences372–371 Mya — about 4 occurrences371–371 Mya — about 4 occurrences371–370 Mya — about 4 occurrences370–369 Mya — about 4 occurrences369–368 Mya — about 3 occurrences368–367 Mya — about 2 occurrences367–367 Mya — about 2 occurrences367–366 Mya — about 2 occurrences366–365 Mya — about 3 occurrences365–364 Mya — about 4 occurrences364–363 Mya — about 4 occurrences363–362 Mya — about 4 occurrences362–362 Mya — about 4 occurrences362–361 Mya — about 4 occurrences361–360 Mya — about 4 occurrences360–359 Mya — about 4 occurrences359–358 Mya — about 2 occurrences372.15 Mya365.2 Mya382.8 Mya358.4 Mya

61 occurrences of Polygnathus semicostatus on record, most of them in the Devonian. 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

61 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

9 formations

Pinyon Peak Limestone — 38.35°N, 113.15°WPinyon Peak Limestone — 40.72°N, 112.99°WSheffield-Maple Mill — 41.12°N, 95.91°WBahram — 33.04°N, 51.98°EBahram — 30.72°N, 57.00°EFitchville — 40.72°N, 112.99°WDyer Dolomite — 39.59°N, 107.19°WKrtiny Limestone — 49.23°N, 16.76°EAkbasai — 39.23°N, 67.40°EAkbaital — 38.47°N, 74.37°EProspect hill — 41.68°N, 94.04°W

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The named rock units Polygnathus semicostatus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 occurrences have no formation on record, which is common for older literature.

Polygnathus semicostatus and its relatives

Devonian

Where Polygnathus semicostatus and its relatives were recorded in the Devonian.

Found in the same rock

92 taxa

The Paleobiology Database records 59 sites for Polygnathus semicostatus, 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

10 references

Each of the 61 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 Polygnathus semicostatus 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 Polygnathus semicostatus, 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 itPolygnathus through timeFormations of the DevonianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Branson and Mehl 1934