The Testacelloidea are a

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

of air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

s and

slug Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a smal ...

s, terrestrial

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusks in the suborder

Helicina ''Helicina'' is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks. This is the type genus of its family ( Helicinidae) and subfamily ( Helicinae), as well as the superfamily Helicinoidea. Thi ...

of the order

Stylommatophora Stylommatophora is an orderPhilippe Bouchet, Jean-Pierre Rocroi, Bernhard Hausdorf, Andrzej Kaim, Yasunori Kano, Alexander Nützel, Pavel Parkhaev, Michael Schrödl and Ellen E. Strong. 2017. Revised Classification, Nomenclator and Typification ...

. MolluscaBase eds. (2020). MolluscaBase. Testacelloidea Gray, 1840. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=933883 on 2020-11-09

Taxonomy

The families within the Testacelloidea are as follows: *Family Testacellidae Gray, 1840 This taxonomy was based on the study by Nordsieck, published in 1986, and the publication by Schileyko in 2000. The following families, previously categorized within the Testacelloidea, were transferred to the superfamily

Oleacinoidea The Oleacinoidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the suborder Helicina of the order Stylommatophora. MolluscaBase eds. (2020). MolluscaBase. Oleacinoidea H. Adams & A. Adams, 1855. Acces ...

H. Adams & A. Adams, 1855 in 2017. *Family

Oleacinidae Oleacinidae is a Taxonomy (biology), taxonomic family (biology), family of air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata (according to the Taxonomy of the Gastropoda (Bouchet & ...

H. Adams & A. Adams, 1855 *Family Spiraxidae H. B. Baker, 1939

References

{{Taxonbar, from=Q7705823 Stylommatophora Taxa named by John Edward Gray