Acritolepidae

Acritolepidae

Danielle Dufault · CC BY 2.5 · via Wikidata/Commons. 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
IschnacanthiformesPBDB
Diet
carnivorePBDB, for Acanthodii
Life habit
nektonicPBDB, for Acanthodii
Motility
actively mobilePBDB, for Acanthodii

Time the record covers

At least 31 million years on record.

The record covers at least 419.62 Mya to 387.95 Mya. No occurrence read is dated outside 422.7 Mya to 382.31 Mya.

Silurian — about 1 of 4 occurrencesSilurianDevonian — about 3 of 4 occurrencesDevonian424–422 Mya — about 0.2 occurrences422–421 Mya — about 0.5 occurrences421–419 Mya — about 0.4 occurrences419–418 Mya — about 0.4 occurrences418–417 Mya — about 0.4 occurrences417–415 Mya — about 0.4 occurrences415–414 Mya — about 0.4 occurrences414–412 Mya — about 0.2 occurrences389–387 Mya — about 0.1 occurrences387–386 Mya — about 0.2 occurrences386–384 Mya — about 0.2 occurrences384–383 Mya — about 0.2 occurrences383–382 Mya — about 0.1 occurrences419.62 Mya387.95 Mya423.5 Mya381.5 Mya

4 occurrences of Acritolepidae on record, most of them in the Devonian. 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

3 formations

Severnaya Zemlya — 79.50°N, 96.00°ECunningham Creek — 45.38°N, 66.32°WAztec Siltstone — 78.54°S, 158.43°E

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

Acritolepidae and its relatives

Devonian

Where Acritolepidae and its relatives were recorded in the Devonian.

Found in the same rock

33 taxa

The Paleobiology Database records 3 sites for Acritolepidae, 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

3 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 content1

Picture of Acritolepidae

Credit
Danielle Dufault
Licence
CC BY 2.5
Commercial use
the licence allows it

No 3D scan of Acritolepidae 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 itIschnacanthiformes through timeFormations of the DevonianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Valiukevicius and Burrow 2005