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 Distribution of Cepolidae include Nearctic and Caribbean.Hausdorf B. (2000). "Biogeography of the Limacoidea sensu lato (Gastropoda: Stylommatophora): Vicariance Events and Long-Distance Dispersal". Journal of Biogeography 27(2): 379-390. , JSTOR.
Anatomy 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.
Taxonomy 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 Ihering, 1909 is a homonym for the family Cepolidae Rafinesque, 1815 (based on Cepola Linnaeus, 1766) 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 Genera within the family Cepolidae include: Bellacepolis Baker, 1943 Cepolis Montfort, 1810 - type genus of the family Cepolidae Coryda Albers, 1850 Cysticopsis Mörch, 1852 Dialeuca Albers, 1850 Euclastaria Pilsbry, 1926 Eurycampta Von Martens, 1860 Guladentia Clench y Aguayo, 1951 Hemitrochus Swainson, 1840 Jeanneretia L. Pfeiffer, 1877 Levicepolis Baker, 1943 Plagioptycha L. Pfeiffer, 1855 Setipellis Pilsbry, 1926 Polymita Beck, 1837
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