Comitas

Comitas is a genus of medium-sized sea snails, which are marine gastropod molluscs in the family Pseudomelatomidae.

Comitas

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
PseudomelatomidaePBDB
Diet
carnivorePBDB, for Conoidea
Life habit
epifaunalPBDB, for Conoidea
Motility
actively mobilePBDB, for Conoidea
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 33 million years on record.

The record covers at least 33.9 Mya to 774 ka. No occurrence read is dated outside 37.71 Mya to 11.7 ka.

Eocene — about 5 of 47 occurrencesEoceneOligocene — about 3 of 47 occurrencesOligoceneMiocene — about 20 of 47 occurrencesMiocenePliocene — about 16 of 47 occurrencesPleistocene — about 3 of 47 occurrences38–37 Mya — about 0.7 occurrences37–36 Mya — about 2 occurrences36–35 Mya — about 2 occurrences35–33 Mya — about 1 occurrence33–32 Mya — about 0.2 occurrences32–31 Mya — about 0.2 occurrences31–29 Mya — about 0.2 occurrences29–28 Mya — about 0.2 occurrences28–27 Mya — about 0.3 occurrences27–26 Mya — about 0.6 occurrences26–24 Mya — about 0.6 occurrences24–23 Mya — about 0.6 occurrences23–22 Mya — about 0.4 occurrences22–21 Mya — about 2 occurrences21–19 Mya — about 2 occurrences19–18 Mya — about 3 occurrences18–17 Mya — about 3 occurrences17–15 Mya — about 3 occurrences15–14 Mya — about 2 occurrences14–13 Mya — about 0.9 occurrences13–12 Mya — about 2 occurrences12–10 Mya — about 0.7 occurrences6.4–5.1 Mya — about 0.4 occurrences5.1–3.8 Mya — about 3 occurrences3.8–2.6 Mya — about 12 occurrences2.6–1.3 Mya — about 2 occurrences1.3–0 Mya — about 2 occurrences33.9 Mya774 ka38.5 Mya0 Mya

47 occurrences of Comitas on record, most of them in the Miocene. 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

47 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

15 formations

Astoria — 44.73°N, 124.06°WAstoria — 43.40°N, 124.28°WRifle Butts — 45.09°S, 170.93°ERifle Butts — 45.08°S, 170.95°EStillwater Mudstone — 42.47°S, 171.18°EWerillup — 34.76°S, 116.72°EWaihao Greensand — 44.78°S, 171.17°EMount Brown — 44.16°S, 171.10°EMount Brown — 44.03°S, 170.72°ERa — 18.13°S, 178.43°ENaseby Greensand — 45.02°S, 170.12°ETokama Siltstone — 44.31°S, 171.22°EWaikari — 44.11°S, 171.12°EBatuputih — 9.11°S, 124.89°EGlen Aire Clay — 38.83°S, 143.48°EIhungia — 40.30°S, 176.28°EPakaurangi — 36.22°S, 174.28°EOi — 34.73°N, 136.40°E

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The named rock units Comitas has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 occurrences have no formation on record, which is common for older literature.

Comitas and its relatives

Miocene

Where Comitas and its relatives were recorded in the Miocene.

Found in the same rock

644 taxa

The Paleobiology Database records 25 sites for Comitas, 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

15 references

Each of the 47 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. 3 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 content1

Picture of Comitas

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 itPseudomelatomidae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Finlay 1926