Pomacea
Pomacea is a genus of freshwater snails with gills and an operculum, aquatic gastropod mollusks in the family Ampullariidae, the apple snails. The genus is native to the Americas; most species in this genus are restricted to South America.

Stijn Ghesquiere · 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
- AmpullariidaePBDB
- Diet
- grazerPBDB, for Ampullariidae
- Life habit
- epifaunalPBDB, for Ampullariidae
- Motility
- actively mobilePBDB, for Ampullariidae
- Vision
- limitedPBDB, for Gastropoda
- Environment
- freshwaterPBDB, for Ampullariidae
Time the record covers
At least 65 million years on record.
The record covers at least 66 Mya to 129 ka. No occurrence read is dated outside 72.2 Mya to 11.7 ka.
8 occurrences of Pomacea 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
8 occurrencesThese 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
2 formations
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The named rock units Pomacea has been recovered from, largest first. Drawn where the rock is now, not where it formed. 6 occurrences have no formation on record, which is common for older literature.
Pomacea and its relatives
PleistoceneWhere Pomacea and its relatives were recorded in the Pleistocene.
Found in the same rock
29 taxa- Planorbella6 sites
- Daedalochila4 sites
- Polygyra4 sites
- Euglandina3 sites
- Haitia heterostropha heterostropha3 sites
- Haitia heterostropha pomila3 sites
- Viviparus3 sites
- Planorbula armigera wheatleyi2 sites
- Triodopsis2 sites
- Amnicola dalli dalli1 site
- Fossaria1 site
- Gastrocopta1 site
- Gastrocopta armifera1 site
- Gyraulus1 site
- Haitia cubensis1 site
- Haitia hendersoni1 site
- Haitia sp.1 site
- Hawaiia1 site
- Laevapex1 site
- Mesomphix globosus1 site
- Micromenetus dilatatus avus1 site
- Musculium1 site
- Pisidium1 site
- Pupisoma macneilli1 site
The Paleobiology Database records 6 sites for Pomacea, 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
3 references- Non-marine Mollusca6
- Paleontological discoveries in the Chorrillo Formation (upper Campanian-lower Maastrichtian, Upper Cretaceous), Santa Cruz Province, Patagonia, Argentina1
- Mollusca: Fort Thompson Formation (Late Pleistocene)1
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 content2
Picture of Pomacea
- Source
- Wikipedia/Commons
- Credit
- Stijn Ghesquiere
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Licence
- CC Attribution
- Commercial use
- cannot be read from the licence given — check the record
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
- Source
- Wikipedia, “Pomacea”
- 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 itAmpullariidae through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Perry 1811