Polyacrodus tregoi

No picture of Polyacrodus tregoi 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 tregoi, 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 most 790 thousand years on record.

The one occurrence read is dated to somewhere between 245.19 Mya and 244.4 Mya, which is a dating window rather than a span.

Middle Triassic — about 1 of 1 occurrenceMiddle Triassic245–245 Mya — about 0.0 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–245 Mya — about 0.1 occurrences245–244 Mya — about 0.1 occurrences244–244 Mya — about 0.1 occurrences244–244 Mya — about 0.0 occurrences245.69 Mya243.9 Mya

1 occurrence of Polyacrodus tregoi on record, most of them in the Middle Triassic. 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

1 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

1 formation

Favret — 40.06°N, 117.56°W

Loading coastlines…

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

Polyacrodus tregoi and its relatives

Middle Triassic

Where Polyacrodus tregoi and its relatives were recorded in the Middle Triassic.

Found in the same rock

19 taxa

The Paleobiology Database records 1 site for Polyacrodus tregoi, 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

1 reference

Each of the 1 occurrence 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. Each entry links to the Paleobiology Database's own record for the work.

Media and terms

Media content0

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

No 3D scan of Polyacrodus tregoi was found in Sketchfab.

Smithsonian Open Access and MorphoSource were 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 timeFormations of the Middle TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Rieppel et al. 1996