''Sterkia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of minute, 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 ...

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 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 includ ...

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 ...

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 which were formerly classified in the family

Pupillidae Pupillidae is a family of mostly minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the superfamily Pupilloidea. MolluscaBase eds. (2021). MolluscaBase. Pupillidae W. Turton, 1831. Accessed through: ...

now in the family

Vertiginidae Vertiginidae, common name the whorl snails, is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the superfamily Pupilloidea. Distribution The distribution of the Vertiginidae is in the ...

instead.

Species

Species within the genus ''Sterkia'' include: * ''

Sterkia antillensis ''Sterkia'' is a genus of minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks which were formerly classified in the family Pupillidae now in the family Vertiginidae instead. Species Species within the genus ''Sterki ...

'' Pilsbry, 1920"Mollusca"
. Diversidad Biológica Cubana, accessed 23 March 2011. * '' Sterkia bakeri'' Pilsbry, 1921 * '' Sterkia eyriesii'' (Drouët, 1859) - Caribbean Birddrop ;Synonyms: * '' Sterkia calamitosa'' (Pilsbry, 1889) - Mexican birddrop:"''Sterkia'' Pilsbry, 1898 "

ITIS The Integrated Taxonomic Information System (ITIS) is an American partnership of federal agencies designed to provide consistent and reliable information on the taxonomy of biological species. ITIS was originally formed in 1996 as an interagenc ...

. accessed 1 August 2010. synonym of '' Vertigo calamitosa'' (Pilsbry, 1889) * '' Sterkia clementina'' (Sterki, 1890) - insular birddrop:''Sterkia clementina''.

NatureServe NatureServe, Inc. is a non-profit organization based in Arlington County, Virginia, US, that provides proprietary wildlife conservation-related data, tools, and services to private and government clients, partner organizations, and the public. Nat ...

Explorer, accessed 1 August 2010. synonym of '' Vertigo clementina'' (Sterki, 1890) (superseded combination) * '' Sterkia hemphilli'' (Sterki, 1890) - California Birddrop:''Sterkia hemphilli''.

Explorer, accessed 1 August 2010. synonym of '' Vertigo hemphilli'' (Sterki, 1890) (superseded combination)

References

* Nekola, J.C.; Chiba, S.; Coles, B.F.; Drost, C.A.; Proschwitz, T. von; Horsák, M. (2018). A phylogenetic overview of the genus Vertigo O. F. Müller, 1773 (Gastropoda: Pulmonata: Pupillidae: Vertigininae). Malacologia. 62(1): 21–161. Vertiginidae {{Vertiginidae-stub