Sterkia

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 Sterkia include:
 * Sterkia antillensis Pilsbry, 1920
 * Sterkia bakeri Pilsbry, 1921
 * Sterkia eyriesii (Drouët, 1859) – Caribbean Birddrop


 * Synonyms:
 * Sterkia calamitosa (Pilsbry, 1889) – Mexican birddrop: synonym of Vertigo calamitosa (Pilsbry, 1889)
 * Sterkia clementina (Sterki, 1890) – insular birddrop: synonym of Vertigo clementina (Sterki, 1890) (superseded combination)
 * Sterkia hemphilli (Sterki, 1890) – California Birddrop: synonym of Vertigo hemphilli (Sterki, 1890) (superseded combination)