Alispirifer contractus

No picture of Alispirifer contractus 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 Alispirifer contractus, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
AlispiriferPBDB
Diet
suspension feederPBDB, for Spiriferida
Life habit
epifaunalPBDB, for Spiriferida
Motility
stationaryPBDB, for Spiriferida
Vision
blindPBDB, for Rhynchonellata
Environment
marinePBDB, for Lophophorata

Time the record covers

At most 23 million years on record.

Every occurrence read is dated to somewhere between 330.3 Mya and 307.4 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Carboniferous — about 4 of 4 occurrencesCarboniferous331–330 Mya — about 0.1 occurrences330–329 Mya — about 0.4 occurrences329–328 Mya — about 0.4 occurrences328–328 Mya — about 0.4 occurrences328–327 Mya — about 0.4 occurrences327–326 Mya — about 0.4 occurrences326–325 Mya — about 0.4 occurrences325–324 Mya — about 0.4 occurrences324–324 Mya — about 0.4 occurrences324–323 Mya — about 0.1 occurrences323–322 Mya — about 0.0 occurrences322–321 Mya — about 0.0 occurrences321–320 Mya — about 0.0 occurrences320–320 Mya — about 0.0 occurrences320–319 Mya — about 0.0 occurrences319–318 Mya — about 0.0 occurrences318–317 Mya — about 0.0 occurrences317–316 Mya — about 0.0 occurrences316–316 Mya — about 0.0 occurrences316–315 Mya — about 0.0 occurrences315–314 Mya — about 0.0 occurrences314–313 Mya — about 0.0 occurrences313–312 Mya — about 0.0 occurrences312–312 Mya — about 0.0 occurrences312–311 Mya — about 0.0 occurrences311–310 Mya — about 0.0 occurrences310–309 Mya — about 0.0 occurrences309–308 Mya — about 0.0 occurrences308–308 Mya — about 0.0 occurrences308–307 Mya — about 0.0 occurrences330.8 Mya306.9 Mya

4 occurrences of Alispirifer contractus on record, most of them in the Carboniferous. 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

1 formation

Poperima — 24.95°S, 151.35°E

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

Alispirifer contractus and its relatives

Carboniferous

Where Alispirifer contractus and its relatives were recorded in the Carboniferous.

Found in the same rock

15 taxa

The Paleobiology Database records 4 sites for Alispirifer contractus, 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 Alispirifer contractus 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 Alispirifer contractus, 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 itAlispirifer through timeFormations of the CarboniferousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Maxwell 1964