There are 19 families within the superfamily Helicoidea according to Bouchet & Rocroi (2005).[1][2]
Helicidae
Bradybaenidae
Camaenidae
Cepolidae
Cochlicellidae
Elonidae
Epiphragmophoridae
Halolimnohelicidae
Helicodontidae
Helminthoglyptidae
Humboldtianidae
Hygromiidae
Monadeniidae
Pleurodontidae
Polygyridae
Sphincterochilidae
Thysanophoridae
Trissexodontidae
Xanthonychidae
According to H. Nordsieck [3] t
he family Xanthonychidae (sensu
Hausdorf & Bouchet) is probably polyphyletic (contains several different lineages) and therefore should be divided into several families.
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^ Bouchet, P.; Rocroi, J.-P. (Ed.); Fr?da,J.; Hausdorf,B.; Ponder, W.; Valdes, A.; War?n, A. (2005). Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. 397 pp. http://www.vliz.be/imis/imis.php?module=ref&refid=78278
Bradybaenidae is a taxonomic family of medium-sized to small land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. [more]
Camaenidae
Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. [more]
Cepolidae
Bandfishes are a family, Cepolidae, of perciform fishes. They are native to the Atlantic seaboard of Europe and the West Pacific, including New Zealand. They dig burrows in sandy or muddy seabed and eat zooplankton. [more]
The Helicidae, sometimes known as the typical snails, are a taxonomic family of small to large, air-breathing, land snails. In other words, they are terrestrial pulmonate gastropod mollusks. [more]
The Helminthoglyptidae are a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. [more]
Humboldtianidae
Humboldtianidae is an American 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). [more]
Hygromiidae
Hygromiidae is a taxonomic family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. [more]
Thysanophoridae 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). [more]
^ Bouchet, P.; Rocroi, J.-P. (Ed.); Fr?da,J.; Hausdorf,B.; Ponder, W.; Valdes, A.; War?n, A. (2005). Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. 397 pp. http://www.vliz.be/imis/imis.php?module=ref&refid=78278