# Caseolus commixtus

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***Caseolus commixtus*** is a [species](/source/Species) of small air-breathing [land snails](/source/Land_snail), [terrestrial](/source/Terrestrial_animal) [pulmonate](/source/Pulmonate) [gastropod](/source/Gastropod) [mollusks](/source/Mollusks) in the family [Geomitridae](/source/Geomitridae).[1]

Although the [Fauna Europaea](/source/Fauna_Europaea)[2] spells this species name as shown here, with a -us ending, in many other sources, including the International Wildlife Law listing the name is spelled "Caseolus commixta". It is assumed these usages are in error, firstly because the Latin word "caseolus" is masculine, and also for reasons of consistency, because [Richard Thomas Lowe](/source/Richard_Thomas_Lowe) has named at least five other species in the genus *[Caseolus](/source/Caseolus)* using masculine adjectival names.

## Distribution

This species of land snail occurs in [Porto Santo Island](/source/Porto_Santo_Island), [Madeira](/source/List_of_non-marine_molluscs_of_Madeira), Portugal.[3] It is mentioned in Annexes II and IV of [Habitats Directive](/source/Habitats_Directive).

## References

1. ["Welcome to Fauna Europaea | Fauna Europaea"](https://fauna-eu.org/index.php)

1. Seddon, M.B. (2011). "*Caseolus commixtus*". Vol. 2011. [doi:10.2305/IUCN.UK.2011-1.RLTS.T3994A10293677.en](https://doi.org/10.2305/IUCN.UK.2011-1.RLTS.T3994A10293677.en). Retrieved 16 November 2021.

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Adapted from the Wikipedia article [Caseolus commixtus](https://en.wikipedia.org/wiki/Caseolus_commixtus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Caseolus_commixtus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.