''Schileykula'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of air-breathing land snails,

terrestrial Terrestrial refers to things related to land or the planet Earth. 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 or near the ground, as opposed to ...

pulmonate gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the family

Orculidae Orculidae is a family of mostly minute, air-breathing, land snails; terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea Pupilloidea is a superfamily of small and very small air-breathing land snails, terrestrial gastr ...

. All of the species and subspecies in this genus inhabit

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...

, with the exception of the subspecies ''Schileykula scyphus crass'' (Pilsbry, 1922), which lives in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

. Species belonging to the genera ''Schileykula'' and ''

Orculella ''Orculella'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. The genus ''Orculella'' occurs in the whole Mediterranean region. The richest areas in terms of species are Turkey and th ...

'' are indistinguishable based on shell characters only. They differ however in the genitalia, primarily in the presence (''Orculella'') or absence (''Schileykula'') of a penial appendix. In '' Sch. batumensis'' and '' Sch. trapezensis'' the reproductive isolation is incomplete.

Species and subspecies

Species and subspecies belonging to ''Schileykula''Hausdorf, B. (1996). "Die Orculidae Asiens (Gastropoda: Stylommatophora)'' (Mousson 1856) (Gastropoda, Pulmonata, Clausiliidae, Phaedusinae)"]. ''Archiv für Molluskenkunde'' 125 (1/2): 1-86. include: * '' Schileykula aculeata'' E. Gittenberger & Menkhorst, 1993 * '' Schileykula attilae'' Páll-Gergely, 2010 * '' Schileykula batumensis'' (Retowski, 1889) * '' Schileykula inversa'' Schütt, 1993 * '' Schileykula nordsiecki'' Hausdorf, 1996 * '' Schileykula (?) robusta'' (Nägele, 1910) * '' Schileykula scyphus'' (L. Pfeiffer, 1848) ** ''

Schileykula scyphus cilicica ''Schileykula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. All of the species and subspecies in this genus inhabit Turkey, with the exception of the subspecies ''Schileykula scyp ...

'' Hausdorf, 1996 ** ''

Schileykula scyphus crassa ''Schileykula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. All of the species and subspecies in this genus inhabit Turkey, with the exception of the subspecies ''Schileykula scyp ...

'' (Pilsbry, 1922) ** ''

Schileykula scyphus enteroplax ''Schileykula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. All of the species and subspecies in this genus inhabit Turkey, with the exception of the subspecies ''Schileykula scyp ...

'' (Pilsbry, 1922) ** '' Schileykula scyphus erecta'' Hausdorf, 1996 ** '' Schileykula scyphus lycaonica'' Hausdorf, 1996 ** '' Schileykula scyphus scyphus'' (L. Pfeiffer, 1848) * '' Schileykula sigma'' Hausdorf, 1996 * '' Schileykula trapezensis'' (Stojaspal, 1981) ** '' Schileykula trapezensis acampsis'' Hausdorf, 1996 ** '' Schileykula trapezensis contraria'' Neubert, 1993 ** '' Schileykula trapezensis neuberti'' Hausdorf, 1996 ** ''

Schileykula trapezensis trapezensis ''Schileykula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. All of the species and subspecies in this genus inhabit Turkey, with the exception of the subspecies ''Schileykula scyp ...

'' (Stojaspal, 1981)

References

Orculidae {{Orculidae-stub