clade Euthyneuraclade Panpulmonata clade Eupulmonata clade Stylommatophora Megalophaedusa spelaeonis, in Japanese: Kazaanagiseru (カザアナギセル, Kazaanagiseru), is a species of small, air-breathing land snail, terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.

[3] The height of the shell is 10–11 mm.

[4] The width of the shell is 2.5–3 mm.

[4] This species is endemic to central part[4] of Kumamoto Prefecture, Kyushu, Japan.

This Clausiliidae-related article is a stub.