Cepolidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Distribution of Cepolidae include Nearctic and Caribbean.
This family is defined by the absence of the diverticulum. Snails in this family have one dart apparatus, and one mucous gland on top of the dart sac. The sheath of the dart apparatus has two glands.
This family is placed within the clade Stylommatophora within the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). In many textbooks and on many websites however this family is listed as the subfamily Cepolinae within the family Helminthoglyptidae.
The name Cepolidae <small>Ihering, 1909</small> is a homonym for the family Cepolidae <small>Rafinesque, 1815</small> (based on Cepola <small>Linnaeus, 1766</small>) a family of bandfishes in the superfamily Cepoloidea within the order Perciformes. The name of the gastropod family needs be submitted to the International Commission on Zoological Nomenclature to resolve the homonymy.
Genera within the family Cepolidae include: