Acrilla (Ferminoscala) becki

Acrilla becki Durham, 1937, a relative of Acrilla (Ferminoscala) becki — not Acrilla (Ferminoscala) becki itself

Not Acrilla (Ferminoscala) becki. This is Acrilla becki Durham, 1937, a relative — both are Epitoniidae.

via GBIF · CC BY 4.0 · via GBIF. 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
ScalinaPBDB
Diet
carnivorePBDB, for Epitoniidae
Life habit
low-level epifaunalPBDB, for Epitoniidae
Motility
slow-movingPBDB, for Epitoniidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At most 3.9 million years on record.

Every occurrence read is dated to somewhere between 37.71 Mya and 33.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Eocene — about 10 of 10 occurrencesEoceneOligocene — about 0 of 10 occurrences38–38 Mya — about 0.4 occurrences38–37 Mya — about 0.4 occurrences37–37 Mya — about 0.4 occurrences37–37 Mya — about 0.4 occurrences37–37 Mya — about 0.4 occurrences37–37 Mya — about 0.4 occurrences37–37 Mya — about 0.4 occurrences37–36 Mya — about 0.4 occurrences36–36 Mya — about 0.4 occurrences36–36 Mya — about 0.4 occurrences36–36 Mya — about 0.4 occurrences36–36 Mya — about 0.4 occurrences36–36 Mya — about 0.4 occurrences36–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–35 Mya — about 0.4 occurrences35–34 Mya — about 0.4 occurrences34–34 Mya — about 0.4 occurrences34–34 Mya — about 0.4 occurrences34–34 Mya — about 0.4 occurrences38.21 Mya33.4 Mya

10 occurrences of Acrilla (Ferminoscala) becki on record, most of them in the Eocene. 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

10 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

2 formations

Eugene — 44.05°N, 123.09°WEugene — 44.04°N, 123.04°WEugene — 44.98°N, 123.21°WQuimper — 48.00°N, 122.83°WQuimper — 47.95°N, 122.68°W

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The named rock units Acrilla (Ferminoscala) becki has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Acrilla (Ferminoscala) becki and its relatives

Eocene

Where Acrilla (Ferminoscala) becki and its relatives were recorded in the Eocene.

Found in the same rock

82 taxa

The Paleobiology Database records 8 sites for Acrilla (Ferminoscala) becki, 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 10 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 the Paleobiology Database's own record for the work.

Media and terms

Media content1

Picture of Acrilla becki Durham, 1937

Source
GBIF
Credit
via GBIF
Licence
CC BY 4.0
Commercial use
the licence allows it

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 itScalina through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Durham 1937