Oamaruia

Oamaruia is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.

Oamaruia

Unknown · 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
CancellariinaePBDB
Diet
carnivorePBDB, for Cancellariidae
Life habit
epifaunalPBDB, for Cancellariidae
Motility
actively mobilePBDB, for Cancellariidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 14 million years on record.

The record covers at least 27.3 Mya to 13.05 Mya. No occurrence read is dated outside 33.9 Mya to 11.04 Mya.

Eocene — about 0 of 8 occurrencesOligocene — about 1 of 8 occurrencesOligoceneMiocene — about 7 of 8 occurrencesMiocene34–34 Mya — about 0.0 occurrences34–33 Mya — about 0.1 occurrences33–32 Mya — about 0.1 occurrences32–31 Mya — about 0.1 occurrences31–30 Mya — about 0.1 occurrences30–30 Mya — about 0.1 occurrences30–29 Mya — about 0.1 occurrences29–28 Mya — about 0.1 occurrences28–27 Mya — about 0.1 occurrences27–26 Mya — about 0.1 occurrences26–26 Mya — about 0.1 occurrences26–25 Mya — about 0.1 occurrences25–24 Mya — about 0.1 occurrences24–23 Mya — about 0.1 occurrences23–22 Mya — about 0.4 occurrences22–22 Mya — about 0.5 occurrences22–21 Mya — about 0.5 occurrences21–20 Mya — about 0.5 occurrences20–19 Mya — about 0.5 occurrences19–18 Mya — about 0.6 occurrences18–18 Mya — about 0.8 occurrences18–17 Mya — about 0.8 occurrences17–16 Mya — about 0.8 occurrences16–15 Mya — about 0.2 occurrences14–13 Mya — about 0.1 occurrences13–12 Mya — about 0.4 occurrences12–11 Mya — about 0.4 occurrences11–11 Mya — about 0.1 occurrences27.3 Mya13.05 Mya34.4 Mya10.5 Mya

8 occurrences of Oamaruia on record, most of them in the Miocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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

8 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

6 formations

Monte Leon Fm — 50.23°S, 68.92°WMonte Leon Fm — 50.12°S, 68.48°WSan Julian — 47.13°S, 66.05°WStillwater Mudstone — 42.47°S, 171.18°ERifle Butts — 45.12°S, 170.93°EGlen Aire Clay — 38.83°S, 143.48°EChenque — 48.30°S, 67.72°W

Loading coastlines…

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

Oamaruia and its relatives

Miocene

Where Oamaruia and its relatives were recorded in the Miocene.

Found in the same rock

113 taxa

The Paleobiology Database records 1 site for Oamaruia, 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 8 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 Oamaruia

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

No 3D scan of Oamaruia 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.

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 itCancellariinae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Finlay 1924