clade Euthyneuraclade Panpulmonata clade Eupulmonata clade Stylommatophora Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium.

[1] This genus occurs in Japan.

Species within the genus Megalophaedusa include: [2]

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