Notoacmea

Notoacmea is a southern genus of true limpets, marine gastropod molluscs in the subfamily Lottiinae of the family Lottiidae, the true limpets.

Notoacmea

Jan Delsing · Public Domain · via Wikipedia/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
LottiidaePBDB
Diet
grazerPBDB, for Lottiidae
Life habit
epifaunalPBDB, for Lottiidae
Motility
facultatively mobile, attachedPBDB, for Lottiidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 37 million years on record.

The record covers at least 37.71 Mya to 11.7 ka. No occurrence read is dated outside 48.07 Mya to 0 Mya.

Eocene — about 3 of 6 occurrencesEoceneOligocene — about 0 of 6 occurrencesMiocene — about 0 of 6 occurrencesPliocene — about 0 of 6 occurrencesPleistocene — about 2 of 6 occurrences49–47 Mya — about 0.1 occurrences47–46 Mya — about 0.2 occurrences46–44 Mya — about 0.2 occurrences44–42 Mya — about 0.2 occurrences42–41 Mya — about 0.3 occurrences41–39 Mya — about 1 occurrence39–38 Mya — about 1 occurrence1.6–0 Mya — about 3 occurrences37.71 Mya11.7 ka49 Mya0 Mya

6 occurrences of Notoacmea on record, most of them in the Eocene. 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

6 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

Snatolskaya — 58.50°N, 159.00°ETamala Limestone — 32.04°S, 115.76°EHerschell Limestone — 32.00°S, 115.52°E

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The named rock units Notoacmea has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.

Notoacmea and its relatives

Eocene

Where Notoacmea and its relatives were recorded in the Eocene.

Found in the same rock

117 taxa

The Paleobiology Database records 4 sites for Notoacmea, 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

4 references

Each of the 6 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 Notoacmea

Credit
Jan Delsing
Licence
Public Domain
Commercial use
the licence allows it

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itLottiidae through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Iredale 1915