Xenoprotrachyceras primum

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

On record

Recorded, not inferred
Sits inside
XenoprotrachycerasPBDB
Diet
carnivorePBDB, for Ceratitida
Life habit
nektonicPBDB, for Ceratitida
Motility
actively mobilePBDB, for Ceratitida
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Cephalopoda

Time the record covers

At most 4.5 million years on record.

Every occurrence read is dated to somewhere between 241.464 Mya and 237 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Middle Triassic — about 3 of 3 occurrencesMiddle TriassicLate Triassic — about 0 of 3 occurrences242–241 Mya — about 0.0 occurrences241–241 Mya — about 0.0 occurrences241–241 Mya — about 0.0 occurrences241–241 Mya — about 0.0 occurrences241–241 Mya — about 0.0 occurrences241–241 Mya — about 0.0 occurrences241–240 Mya — about 0.0 occurrences240–240 Mya — about 0.0 occurrences240–240 Mya — about 0.0 occurrences240–240 Mya — about 0.0 occurrences240–240 Mya — about 0.0 occurrences240–239 Mya — about 0.1 occurrences239–239 Mya — about 0.2 occurrences239–239 Mya — about 0.2 occurrences239–239 Mya — about 0.2 occurrences239–239 Mya — about 0.2 occurrences239–239 Mya — about 0.2 occurrences239–238 Mya — about 0.2 occurrences238–238 Mya — about 0.2 occurrences238–238 Mya — about 0.2 occurrences238–238 Mya — about 0.2 occurrences238–238 Mya — about 0.2 occurrences238–237 Mya — about 0.2 occurrences237–237 Mya — about 0.2 occurrences237–237 Mya — about 0.2 occurrences237–237 Mya — about 0.0 occurrences242 Mya236.5 Mya

3 occurrences of Xenoprotrachyceras primum 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

3 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

2 formations

Falang — 25.16°N, 104.79°EFalang — 26.08°N, 105.35°EZhuganpo — 25.90°N, 105.42°E

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

Xenoprotrachyceras primum and its relatives

Middle Triassic

Where Xenoprotrachyceras primum and its relatives were recorded in the Middle Triassic.

Found in the same rock

13 taxa

The Paleobiology Database records 3 sites for Xenoprotrachyceras primum, 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

3 references

Each of the 3 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. Each entry links to the Paleobiology Database's own record for the work.

Media and terms

Media content0

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

No 3D scan of Xenoprotrachyceras primum 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 itXenoprotrachyceras through timeFormations of the Middle TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Wang 1983