Acanthodiscus

No picture of Acanthodiscus was found. Wikidata and iDigBio were searched and had none. Wikipedia has a picture filed under this name, but nothing tied it to Acanthodiscus itself, so it was not used. 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 Acanthodiscus, or no answer at all. This entry cannot say which.

On record

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

Time the record covers

At least 77 million years on record.

The record covers at least 143.1 Mya to 66 Mya. No occurrence read is dated outside 161.5 Mya to 56 Mya.

Middle Jurassic — about 0 of 124 occurrencesLate Jurassic — about 1 of 124 occurrencesLate JurassicEarly Cretaceous — about 56 of 124 occurrencesEarly CretaceousLate Cretaceous — about 30 of 124 occurrencesLate CretaceousPaleocene — about 37 of 124 occurrencesPaleoceneEocene — about 0 of 124 occurrences164–160 Mya — about 0.1 occurrences160–156 Mya — about 0.2 occurrences156–153 Mya — about 0.2 occurrences153–149 Mya — about 0.2 occurrences149–145 Mya — about 0.2 occurrences145–142 Mya — about 2 occurrences142–138 Mya — about 2 occurrences138–134 Mya — about 9 occurrences134–131 Mya — about 15 occurrences131–127 Mya — about 19 occurrences127–123 Mya — about 8 occurrences123–120 Mya — about 1 occurrence87–83 Mya — about 0.1 occurrences83–79 Mya — about 0.6 occurrences79–76 Mya — about 0.6 occurrences76–72 Mya — about 0.7 occurrences72–69 Mya — about 17 occurrences69–65 Mya — about 16 occurrences65–61 Mya — about 14 occurrences61–58 Mya — about 14 occurrences58–54 Mya — about 6 occurrences143.1 Mya66 Mya164 Mya54 Mya

124 occurrences of Acanthodiscus on record, most of them in the Early Cretaceous. 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

124 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

13 formations

Lopez de Bertodano — 64.25°S, 56.75°WSobral — 64.25°S, 56.75°WAbundancia — 27.47°S, 70.25°WAbundancia — 27.34°S, 70.23°WGrand Essert — 45.97°N, 5.61°EAgrio — 38.73°S, 69.92°WSabinal — 17.09°N, 97.50°WChia Gara — 37.01°N, 43.40°ERio Tascadero — 30.89°S, 70.53°WRio Tascadero — 30.89°S, 70.55°WPunta del Cobre — 27.56°S, 70.29°WKaliste — 49.03°N, 18.33°EGuchuochun — 28.08°N, 86.00°EGiumal Sandstone — 32.28°N, 78.02°EMyrtle — 42.84°N, 124.54°W

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The named rock units Acanthodiscus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 34 occurrences have no formation on record, which is common for older literature.

Acanthodiscus and its relatives

Early Cretaceous

Where Acanthodiscus and its relatives were recorded in the Early Cretaceous.

Found in the same rock

264 taxa

The Paleobiology Database records 72 sites for Acanthodiscus, 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

21 references

Each of the 124 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. 9 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 content0

No picture of Acanthodiscus was found. Wikidata and iDigBio were searched and had none.

Wikipedia has a picture filed under this name, but nothing tied it to Acanthodiscus itself, so it was not used.

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 Acanthodiscus, or no answer at all. This entry cannot say which.

No 3D scan of Acanthodiscus 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 itBacillariophyceae through timeFormations of the Early CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Pantocsek 1882