Acanthinula
Acanthinula is a genus of minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Valloniidae.

Francisco Welter Schultes · 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
- AcanthinulidaePBDB
- Life habit
- epifaunalPBDB, for Gastropoda
- Motility
- actively mobilePBDB, for Gastropoda
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At least 12 million years on record.
The record covers at least 12.75 Mya to 11.7 ka. No occurrence read is dated outside 15.98 Mya to 0 Mya.
13 occurrences of Acanthinula 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
13 occurrences- Miocene69%
- Pleistocene23%
- Holocene8%
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
2 formations
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The named rock units Acanthinula has been recovered from, largest first. Drawn where the rock is now, not where it formed. 11 occurrences have no formation on record, which is common for older literature.
Acanthinula and its relatives
MioceneWhere Acanthinula and its relatives were recorded in the Miocene.
Found in the same rock
421 taxa- Argna oppoliensis5 sites
- Anisus4 sites
- Azeca4 sites
- Carychium4 sites
- Helicodiscus roemeri4 sites
- Succinea4 sites
- Vertigo4 sites
- Vitrea4 sites
- Acicula lineata3 sites
- Agriolimacidae3 sites
- Carychium minimum3 sites
- Clausilia3 sites
- Galba truncatula3 sites
- Gastrocopta (Sinalbinula) ferdinandi3 sites
- Gastropoda3 sites
- Glirulus lissiensis3 sites
- Nordsieckia pontica3 sites
- Phenacolimax intermedius3 sites
- Pisidium3 sites
- Renea pretiosa3 sites
- Vallonia pulchella3 sites
- Aegopinella2 sites
- Agalactochilus silesiacus2 sites
- Anisus confusus2 sites
The Paleobiology Database records 10 sites for Acanthinula, 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
9 references- Opole (Poland) - a key locality for middle Miocene terrestrial mollusc faunas2
- Miocenskie slimaki ladowe we wschodniej czesci odkrywki KWB Belchatow [Miocene land snails from eastern part of Belchatow Brown Coal delf.]2
- Zur Kenntnis der postjurassischen Deckschichten in der Umgebung des Nördlinger Rieses2
- Zweiter Beitrag zur Binnenconchylienfauna des Miocäne von Oppeln in Schlesien2
- Late Messinian mollusks and vertebrates from Moncucco Torinese, north-western Italy. Paleoecological and paleoclimatological implications1
- Recent Advances on Multidisciplinary Research at Rudabánya, Late Miocene (MN9), Hungary: a compendium1
- Synopsis of the Late Miocene mollusc fauna of the classical sections Richardhof and Eichkogel in the Vienna Basin (Austria, Pannonian, MN 9-MN11)1
- Early Middle Pleistocene mammalian faunas from Karlich (Kaerlich) and Miesenheim I and their biostratigraphical implications1
- L'environnement côtier des Alpes-Maritimes à la fin de la transgression versilienne d'après l'étude biostratigraphique du site de l'Etoile à Nice (France)1
Each of the 13 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 Acanthinula
- Source
- Wikipedia/Commons
- Credit
- Francisco Welter Schultes
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Acanthinula 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
- Source
- Wikipedia, “Acanthinula”
- 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 itAcanthinulidae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Beck 1847)