Amastridae

Amastridae is a taxonomic family of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea.

Distribution
This family is endemic to the Hawaiian Islands.

Genera

 * Subfamily Amastrinae Pilsbry, 1910
 * Amastra H. Adams & A. Adams, 1855
 * Carelia H. Adams & A. Adams, 1855
 * Cyclamastra
 * Kauaia
 * Laminella L. Pfeiffer, 1854
 * Planamastra Hyatt & Pilsbry, 1911
 * Tropidoptera Ancey, 1889
 * Subfamily Leptachatininae Cockerell, 1913
 * Armsia Hyatt & Pilsbry, 1911
 * Leptachatina A. A. Gould, 1847
 * Pauahia C. M. Cooke, 1910
 * Genera brought into synonymy:
 * Carinella L. Pfeiffer, 1875 : synonym of Amastra (Kauaia) Sykes, 1900 represented as Amastra H. Adams & A. Adams, 1855
 * Helicamastra Pilsbry & Vanatta, 1905 : synonym of Tropidoptera Ancey, 1889
 * Pterodiscus Pilsbry, 1893 : synonym of Tropidoptera Ancey, 1889