Xenosteges quadratus

No picture of Xenosteges quadratus 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 Xenosteges quadratus, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
XenostegesPBDB
Diet
suspension feederPBDB, for Strophalosiidina
Life habit
low-level epifaunalPBDB, for Strophalosiidina
Motility
stationary, attachedPBDB, for Strophalosiidina
Vision
blindPBDB, for Strophomenata
Environment
marinePBDB, for Lophophorata

Time the record covers

At least 2.6 million years on record.

The record covers at least 266.9 Mya to 264.28 Mya. No occurrence read is dated outside 274.4 Mya to 259.857 Mya.

Permian — about 34 of 34 occurrencesPermian275–274 Mya — about 0.0 occurrences274–274 Mya — about 1 occurrence274–273 Mya — about 1 occurrence273–273 Mya — about 1 occurrence273–272 Mya — about 1 occurrence272–272 Mya — about 1 occurrence272–271 Mya — about 1 occurrence271–271 Mya — about 1 occurrence271–270 Mya — about 1 occurrence270–270 Mya — about 1 occurrence270–269 Mya — about 1 occurrence269–269 Mya — about 1 occurrence269–268 Mya — about 1 occurrence268–268 Mya — about 1 occurrence268–267 Mya — about 1 occurrence267–267 Mya — about 2 occurrences267–266 Mya — about 3 occurrences266–266 Mya — about 3 occurrences266–265 Mya — about 3 occurrences265–265 Mya — about 3 occurrences265–264 Mya — about 1 occurrence264–264 Mya — about 0.1 occurrences264–263 Mya — about 0.1 occurrences263–262 Mya — about 0.1 occurrences262–262 Mya — about 0.1 occurrences262–261 Mya — about 0.1 occurrences261–261 Mya — about 0.1 occurrences261–260 Mya — about 0.1 occurrences260–260 Mya — about 0.1 occurrences260–259 Mya — about 0.0 occurrences266.9 Mya264.28 Mya274.9 Mya259.4 Mya

34 occurrences of Xenosteges quadratus on record, most of them in the Permian. 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

34 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

3 formations

Word — 30.39°N, 103.18°WWord — 30.34°N, 103.30°WWord — 30.41°N, 103.14°WWord — 30.23°N, 103.44°WCherry Canyon — 31.86°N, 104.82°WCherry Canyon — 31.87°N, 104.87°WBell Canyon — 31.92°N, 104.82°W

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

Xenosteges quadratus and its relatives

Permian

Where Xenosteges quadratus and its relatives were recorded in the Permian.

Found in the same rock

415 taxa

The Paleobiology Database records 33 sites for Xenosteges quadratus, 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

1 reference

Each of the 34 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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Xenosteges quadratus 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 Xenosteges quadratus, or no answer at all. This entry cannot say which.

No 3D scan of Xenosteges quadratus 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 itXenosteges through timeFormations of the PermianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Cooper and Grant 1975