Acavidae

Acavidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the superfamily Acavoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Anatomy
In this family, the number of haploid chromosomes lies between 26 and 35 (according to the values in this table).

Genera
The family Acavidae has no subfamilies.

Genera in the family Acavidae include:
 * Acavus Montfort, 1810
 * Ampelita Beck, 1837
 * Embertoniphanta Groh & Poppe, 2002
 * Eurystyla Ancey, 1887
 * Helicophanta Férussac, 1821
 * Leucotaenius Martens, 1860
 * Oligospira Ancey, 1887
 * † Pebasiconcha Wesselingh & Gittenberger, 1999 - with the only species † Pebasiconcha immanis Wesselingh & Gittenberger, 1999
 * Stylodonta De Cristofori & Jan, 1832
 * Genera brought into synonymy:
 * Acavella Jousseaume, 1894 : synonym of Oligospira Ancey, 1887
 * Columplica W. Hartmann, 1843 : synonym of Stylodonta De Cristofori & Jan, 1832
 * Poecilostylus Pilsbry, 1890 : synonym of Eurystyla Ancey, 1887
 * Stylodon H. Beck, 1837 : synonym of Stylodonta De Cristofori & Jan, 1832