Alcadia
Introduction '''''Alcadia''''' is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.
Species Species within the genus ''Alcadia'' include:* ''Alcadia affinis'' C.B. Adams, 1846* ''Alcadia bermudezi'' Aguayo & Jaume, 1957* ''Alcadia camagueyana'' Aguayo & Jaume, 1957* ''Alcadia concinna'' (Gundlach in Pfeiffer, 1857)* ''Alcadia dissimulans'' (Poey, 1858)* ''Alcadia euglypta'' Clench & Aguayo, 1950* ''Alcadia gonostoma'' (Gundlach in Poey, 1858)* ''Alcadia hispida'' (Pfeiffer, 1839)* ''Alcadia incrustata'' (Gundlach in Pfeiffer, 1859)* ''Alcadia maxima'' Sowerby II, 1842* ''Alcadia minima'' (d’Orbigny, 1842)* ''Alcadia neebiana'' (Pfeiffer, 1862)* ''Alcadia nitida'' (Pfeiffer, 1839)* ''Alcadia nuda'' (Arango in Pfeiffer, 1866)* ''Alcadia rotunda'' (d’Orbigny, 1842)* ''Alcadia spectrabilis'' (Pfeiffer, 1858)* ''Alcadia velutina'' (Poey, 1858)subgenus ''Idesa'' H. Adams & A. Adams, 1856* ''Alcadia conuloides'' (Guppy, 1868)
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