Monodonta labio
Monodonta labio, common name the toothed top shell or the lipped periwinkle, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

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
- MonodontaPBDB
- Diet
- grazerPBDB, for Trochidae
- Life habit
- epifaunalPBDB, for Trochidae
- Motility
- actively mobilePBDB, for Trochidae
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At most 118 thousand years on record.
Every occurrence read is dated to somewhere between 129 ka and 11.7 ka, and nothing in the dating separates them, so that window is what the record shows rather than a span.
2 occurrences of Monodonta labio on record, most of them in the Pleistocene. 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
2 occurrences- Pleistocene100%
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
1 formation
Loading coastlines…
The named rock units Monodonta labio 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.
Monodonta labio and its relatives
PleistoceneWhere Monodonta labio and its relatives were recorded in the Pleistocene.
Found in the same rock
167 taxa- Acmaea2 sites
- Acmaeidae1 site
- Acrosterigma (Vasticardium)1 site
- Actaeopyramis1 site
- Acteocina1 site
- Alvenius ojianus1 site
- Amoria1 site
- Anachis (Zafra)1 site
- Anadara (Mabellarca)1 site
- Anadara (Tegillarca) granosa1 site
- Anisodonta1 site
- Anodontia1 site
- Arcopsis symmetrica1 site
- Arcosterigma dupuchense1 site
- Assiminea1 site
- Astralium1 site
- Atactodea1 site
- Atactodea striata1 site
- Atys1 site
- Australaba picta1 site
- Babylonia japonica1 site
- Balcis1 site
- Barbatia1 site
- Barnea (Umitakea)1 site
The Paleobiology Database records 2 sites for Monodonta labio, 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
2 references- Cenozoic Molluscs and Echinoids of Barrow Island, Western Australia1
- Pleistocene molluscan fauna of the Sakishima Formation, Shima Peninsula, central Japan1
Each of the 2 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 Monodonta labio
- Source
- Wikipedia/Commons
- Credit
- Jan Delsing
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Monodonta labio was found in Sketchfab.
Smithsonian Open Access and MorphoSource were 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 itMonodonta through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Linnaeus 1758