Oleacinidae

Oleacinidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Anatomy
In this family, the number of haploid chromosomes lies between 26 and 30 (according to the values in this table).

2005 taxonomy
The family Oleacinidae is classified within the informal group Sigmurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

The family Oleacinidae consists of the following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
 * Oleacininae H. Adams & A. Adams, 1855 - synonyms: Polyphemidae Gistel, 1868 (inv.); Glandinidae Bourguignat, 1877; Streptostylini H. B. Baker, 1941
 * Euglandininae H. B. Baker, 1941
 * Varicellinae H. B. Baker, 1941

2010 taxonomy
Thompson (2010) have redefined subfamilies in Spiraxidae and have moved Euglandininae and Streptostylinae as subfamilies of Spiraxidae.

Genera
Genera in the family Oleacinidae include:

subfamily Oleacininae
 * Oleacina Röding, 1798 - type genus of the family Oleacinidae
 * Palaeoglandina Wenz, 1914
 * Pseudoleacina Wenz, 1914

subfamily Varicellinae
 * Varicella L. Pfeiffer, 1854 - type genus of the subfamily Varicellinae
 * Glandinella L. Pfeiffer, 1878
 * Laevaricella Pilsbry, 1907
 * Melaniella L. Pfeiffer, 1857
 * Sigmataxis Pilsbry, 1907