Aillyidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

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 molluscs, terrestrial gastropod mollusks that have gastropod shell, shel ...

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...

pulmonate Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s 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 ...

. Aillyidae is the only family in the superfamily Aillyoidea. This family and the genus is named in honor of Swedish

malacologist Malacology, from Ancient Greek μαλακός (''malakós''), meaning "soft", and λόγος (''lógos''), meaning "study", is the branch of invertebrate zoology that deals with the study of the Mollusca (molluscs or mollusks), the second-largest ...

Adolf d'Ailly (1855-1927).

Taxonomy

The family Aillyidae is classified within the informal group

, itself belonging to the

clade In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...

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 of ...

within the clade

Eupulmonata Eupulmonata is a taxonomic clade of air-breathing gastropod molluscs. The great majority of this group are land snails and slugs, but some are intertidal or inhabit coastal saltmarshes and mangroves. Possible synapomorphy of the group are gl ...

(according to taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no subfamilies. Prestonellidae has been tentatively placed as a synonym of Aillyidae in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005. Herbert & Mitchell (2009) have moved Prestonellidae to the superfamily

Orthalicoidea Orthalicoidea is a superfamily of air-breathing land snails, terrestrial gastropod mollusks in the infraorder Orthalicoidei of the suborder Helicina.MolluscaBase eds. (2021). MolluscaBase. Simpulopsidae Schileyko, 1999. Accessed through: Wor ...

.Herbert D. G. & Mitchell A. (2009). "Phylogenetic relationships of the enigmatic land snail genus ''Prestonella'': the missing African element in the Gondwanan superfamily Orthalicoidea (Mollusca: Stylommatophora)". ''

Zoological Journal of the Linnean Society The ''Zoological Journal of the Linnean Society'' is a monthly peer-reviewed scientific journal covering zoology published by Oxford University Press on behalf of the Linnean Society. The editor-in-chief is Maarten Christenhusz (Linnean Society) ...

'' 96(1): 203-221. .

Genera

* '' Aillya'' Odhner, 1927 Odhner N. H. (1927). "''Aillya camerunensis'' n. gen., n. sp. An African bulimuloid snail.". ''

Arkiv för Zoologi ''Arkiv för Zoologi'' was a scientific journal on zoology, published by the Royal Swedish Academy of Sciences between 1903 and 1974. Prior to 1903, zoology articles were published in a supplement to the Transactions of the Academy. ''Arkiv för Zo ...

'' 19a(20): 1. - type genus of the family Aillyidae ** '' Aillya camerunensis'' Odhner, 1927Schileyko A. A. (1999). "Treatise on Recent terrestrial pulmonate molluscs. Part 3: Partulidae, Aillyidae, Bulimulidae, Orthalicidae, Megaspiridae, Urocoptidae". ''Ruthenica'' (Suppl. 2): 272. - it lives in Africa

References

Monogeneric gastropod families {{Pulmonata-stub