Trochus maculatus

Trochus maculatus, common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

Trochus maculatus

H. Zell · CC BY-SA 3.0 · 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
TrochusPBDB
Diet
grazerPBDB, for Trochidae
Life habit
epifaunalPBDB, for Trochidae
Motility
actively mobilePBDB, for Trochidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 11 million years on record.

The record covers at least 11.63 Mya to 129 ka. No occurrence read is dated outside 15.98 Mya to 11.7 ka.

Miocene — about 5 of 30 occurrencesMiocenePliocene — about 1 of 30 occurrencesPliocenePleistocene — about 24 of 30 occurrencesPleistocene16–16 Mya — about 0.0 occurrences16–15 Mya — about 0.1 occurrences15–15 Mya — about 0.1 occurrences15–14 Mya — about 0.1 occurrences14–14 Mya — about 0.1 occurrences14–13 Mya — about 0.1 occurrences13–13 Mya — about 0.1 occurrences13–12 Mya — about 0.1 occurrences12–12 Mya — about 0.2 occurrences12–11 Mya — about 0.3 occurrences11–10 Mya — about 0.3 occurrences10–9.9 Mya — about 0.3 occurrences9.9–9.3 Mya — about 0.3 occurrences9.3–8.8 Mya — about 0.3 occurrences8.8–8.2 Mya — about 0.3 occurrences8.2–7.7 Mya — about 0.3 occurrences7.7–7.1 Mya — about 0.3 occurrences7.1–6.6 Mya — about 0.3 occurrences6.6–6.0 Mya — about 0.3 occurrences6.0–5.5 Mya — about 0.3 occurrences5.5–4.9 Mya — about 0.1 occurrences3.8–3.3 Mya — about 0.3 occurrences3.3–2.7 Mya — about 0.5 occurrences2.7–2.2 Mya — about 1 occurrence2.2–1.6 Mya — about 1 occurrence1.6–1.1 Mya — about 1 occurrence1.1–549 ka Mya — about 1 occurrence549 ka–0 Mya — about 19 occurrences11.63 Mya129 ka16.5 Mya0 Mya

30 occurrences of Trochus maculatus on record, most of them in the Pleistocene. 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

30 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

9 formations

Aldabra Limestone — 9.42°S, 46.45°EGelingseh — 0.98°N, 117.97°EMariana Limestone — 13.45°N, 144.78°EPoivre — 20.67°S, 115.42°EAlifian Limestone — 13.45°N, 144.78°ETanapag Limestone — 15.00°N, 145.63°ETakamaka Limestone — 9.42°S, 46.45°EDayrell — 29.23°S, 177.82°WUpper Kalibeng — 7.37°S, 111.32°E

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The named rock units Trochus maculatus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 17 occurrences have no formation on record, which is common for older literature.

Trochus maculatus and its relatives

Pleistocene

Where Trochus maculatus and its relatives were recorded in the Pleistocene.

Found in the same rock

411 taxa

The Paleobiology Database records 10 sites for Trochus maculatus, 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

12 references

Each of the 30 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 Trochus maculatus

Credit
H. Zell
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Trochus maculatus was found in Smithsonian Open Access and Sketchfab.

MorphoSource 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 itTrochus through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Linnaeus 1758)