Neophaedusa spelaeonis

Neophaedusa 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.

Neophaedusa spelaeonis
Conservation status
Data Deficient  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra
Superfamily:	Clausilioidea
Family:	Clausiliidae
Subfamily:	Phadusinae
Genus:	Neophaedusa
Species:	N. spelaeonis
Binomial name
Neophaedusa spelaeonis Kuroda & Minato, 1975
Synonyms
Mesozaptyx spelaeonis Kuroda & Minato, 1975[2]

Description

The height of the shell is 10–11 mm.[3] The width of the shell is 2.5–3 mm.[3]

Red marks the location of Kumamoto Prefecture, where Neophaedusa spelaeonis is endemic.

Distribution

This species is endemic to central part[3] of Kumamoto Prefecture, Kyushu, Japan.[4]

It is endangered species (CR+EN) in Japan.[4]

Ecology

It lives in limestone caves.[3]

References

1. Mollusc Specialist Group (1996). Neophaedusa spelaeonis. IUCN Red List of Threatened Species. Downloaded on 16 December 2019.
2. http://shell.kwansei.ac.jp/detail.php?id=303
3. http://www.biodic.go.jp/cgi-db/gen/RDB_G2000_DO.RDB_DETAIL?wamei=%A5%AB%A5%B6%A5%A2%A5%CA%A5%AE%A5%BB%A5%EB&bunrui_c=&rank=&search_str=%&gaku_n=&start_row=1 accessed 1 August 2010
4. (in Japanese) カザアナギセル Neophaedusa spelaeonis. Japanese Red data book, accessed 1 August 2010.

Further reading

• (in Japanese) 浜田 善利 (1967). "錘乳洞内のキセルガイ : イシカワギセルとカザアナギセル:". ちりぼたん 4(8): 133-136. CiNii.
• (in Japanese) 黒田徳米 & 湊 宏 (1975). "石灰岩洞窟産キセルガイの１新属２新種". Venus 34'(1-2): 1-3. Malacological Society of Japan, Tokyo.

External links

• http://shell.kwansei.ac.jp/~shell/pic_book/data48/r004707.html
• (in Japanese) http://www.biodic.go.jp/rdb_fts/before/506.html