The Achatinoidea 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 informal group

Sigmurethra Sigmurethra is a taxonomic category of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This is an informal group which includes most land snails and slugs. The two strong synapomorphies of Sigmurethra are a long p ...

2005 taxonomy

According to taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 there are four families within the superfamily Achatinoidea, that is based on the study by Nordsieck, published in 1986.
abstract
. *Family Achatinidae Swainson, 1840 *Family Ferussaciidae Bourguignat, 1883 *Family

Micractaeonidae ''Micractaeon koptawelilensis'' is a species of land snail, terrestrial gastropod mollusks in the superfamily Achatinoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). ''Micractaeon koptawelilensis'' is the only ...

Schileyko, 1999 *Family Subulinidae P. Fischer & Crosse, 1877

2017 taxonomy

Fontanilla et al. recognized Subulinidae as not monophyletic in 2017 and they classified Subulininae within Achatinidae. * Family Achatinidae Swainson, 1840 * Family

Aillyidae Aillyidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the informal group Sigmurethra. Aillyidae is the only family in the superfamily Aillyoidea. This family and the genus is named in honor of Swedish m ...

H. B. Baker, 1955Rosenberg, G. (2011). Achatinoidea Swainson, 1840. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413332 on 2018-01-01 * Family Ferussaciidae Bourguignat, 1883 * Family

Schileyko, 1999

References

External links

Stylommatophora {{Stylommatophora-stub