Pyramidulidae

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

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

Genera
Genera within the family Pyramidulidae include:
 * Pyramidula Fitzinger, 1833 - the type genus
 * Synonyms:
 * Cratere Porro, 1838 : synonym of Pyramidula Fitzinger, 1833
 * Pyramidulops Habe, 1956 : synonym of Pyramidula Fitzinger, 1833