''Sterkia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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 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 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 small, 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 animal, terrestrial pulmonate gastropod mollusks which were formerly classified in the family Pupillidae now in the family Vertiginidae instead. Species Species within t ...

'' 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, United States, US, that provides proprietary wildlife conservation-related data, tools, and services to private and government clients, partner organizations, and ...

Explorer, accessed 1 August 2010. synonym of '' Vertigo clementina'' (Sterki, 1890) (

superseded combination In taxonomy, a superseded combination is a notice of change to the binomial nomenclature of the accepted name of a species. This happens when a species is moved to a new genus after the initial species description. The original name is called a ...

) * '' 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