Plectopyloidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the suborder Helicina.[1] [2]
The superfamily Plectopyloidea consists of the following families (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
Plectopylidae ranges across large parts of southeast Asia from Nepal to southern Japan.[3] Corillidae is the mainly Sri Lankan family.[3] Sculptariidae is the African family.[3]
The Plectopylidae differ from the Corillidae by the presence of one or two vertical (= perpendicular to the suture) lamellae on the parietal wall, approximately a quarter to a half whorl behind the aperture.[3] In contrast, the Corillidae have only horizontal (= parallel with the suture) parietal plicae (in Corilla all plicae may be absent).[3]
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Plectopyloidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the suborder Helicina.