Aulacodiscus

Aulacodiscus

via iDigBio · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
AulacodiscaceaePBDB
Diet
"photoautotroph"PBDB, for Bacillariophyceae
Environment
marine,brackish,freshwaterPBDB, for Bacillariophyceae

Time the record covers

At least 501 million years on record.

The record covers at least 504.5 Mya to 2.58 Mya. No occurrence read is dated outside 508.2 Mya to 11.7 ka.

Cambrian — about 17 of 140 occurrencesOrdovician — about 0 of 140 occurrencesSilurian — about 0 of 140 occurrencesDevonian — about 0 of 140 occurrencesCarboniferous — about 0 of 140 occurrencesPermian — about 0 of 140 occurrencesEarly Triassic — about 0 of 140 occurrencesMiddle Triassic — about 0 of 140 occurrencesLate Triassic — about 0 of 140 occurrencesEarly Jurassic — about 0 of 140 occurrencesMiddle Jurassic — about 0 of 140 occurrencesLate Jurassic — about 0 of 140 occurrencesEarly Cretaceous — about 0 of 140 occurrencesLate Cretaceous — about 68 of 140 occurrencesPaleocene — about 10 of 140 occurrencesEocene — about 0 of 140 occurrencesOligocene — about 0 of 140 occurrencesMiocene — about 17 of 140 occurrencesPliocene — about 10 of 140 occurrencesPleistocene — about 18 of 140 occurrences518–501 Mya — about 11 occurrences501–484 Mya — about 6 occurrences86–69 Mya — about 63 occurrences69–52 Mya — about 15 occurrences35–17 Mya — about 4 occurrences17–0 Mya — about 41 occurrences504.5 Mya2.58 Mya518 Mya0 Mya

140 occurrences of Aulacodiscus on record, most of them in the Late Cretaceous. The Paleobiology Database records this as a living group. 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

140 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

14 formations

Mason River — 69.46°N, 126.97°WLopez de Bertodano — 64.25°S, 56.75°WKanguk — 79.00°N, 85.37°WKanguk — 78.00°N, 103.00°WSobral — 64.25°S, 56.75°WFjällbränna — 64.43°N, 15.54°EAlum Shale — 55.72°N, 13.23°EAlum Shale — 55.72°N, 13.98°EAlum Shale — 58.76°N, 15.52°EPerekhod — 51.97°N, 85.97°EKap Stanton — 80.25°N, 62.50°WKuonamka — 69.66°N, 124.18°EUst-Maya — 61.78°N, 113.02°ESmoking Hills — 69.46°N, 126.97°WParahio — 32.03°N, 77.92°ECurrant Bush Limestone — 19.45°S, 138.67°EV-Creek Limestone — 20.25°S, 138.63°E

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The named rock units Aulacodiscus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 45 occurrences have no formation on record, which is common for older literature.

Aulacodiscus and its relatives

Late Cretaceous

Where Aulacodiscus and its relatives were recorded in the Late Cretaceous.

Found in the same rock

336 taxa

The Paleobiology Database records 105 sites for Aulacodiscus, 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

19 references

Each of the 140 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. 7 further references are not listed. 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 content1

Picture of Aulacodiscus

Source
iDigBio
Credit
via iDigBio
Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record

No 3D scan of Aulacodiscus 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 itAulacodiscaceae through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Ehrenberg 1844