Polyacrodus polycyphus

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

On record

Recorded, not inferred
Sits inside
PolyacrodusPBDB
Diet
carnivorePBDB, for Chondrichthyes
Life habit
nektonicPBDB, for Chondrichthyes
Motility
actively mobilePBDB, for Chondrichthyes

Time the record covers

At least 31 million years on record.

The record covers at least 237 Mya to 205.7 Mya. No occurrence read is dated outside 241.464 Mya to 201.4 Mya.

Middle Triassic — about 3 of 4 occurrencesMiddle TriassicLate Triassic — about 1 of 4 occurrencesLate TriassicEarly Jurassic — about 0 of 4 occurrences242–241 Mya — about 0.1 occurrences241–239 Mya — about 0.3 occurrences239–238 Mya — about 1 occurrence238–237 Mya — about 1 occurrence206–205 Mya — about 0.2 occurrences205–203 Mya — about 0.3 occurrences203–202 Mya — about 0.3 occurrences202–201 Mya — about 0.1 occurrences237 Mya205.7 Mya242.3 Mya200.6 Mya

4 occurrences of Polyacrodus polycyphus on record. 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

4 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 the same rock

12 taxa

The Paleobiology Database records 4 sites for Polyacrodus polycyphus, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

2 references

Each of the 4 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 Polyacrodus polycyphus 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 Polyacrodus polycyphus, or no answer at all. This entry cannot say which.

No 3D scan of Polyacrodus polycyphus 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 itPolyacrodus through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Agassiz 1843)