clade Euthyneuraclade Panpulmonata clade Eupulmonata clade Stylommatophora See text Palaeostoidae is an extinct family of air-breathing land snails, terrestrial gastropod molluscs in the superfamily Clausilioidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The family Palaeostoidae consists of the following subfamilies and genera:
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