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''Megalophaedusa spelaeonis'', in Japanese: , is a
Japanese Red data book, accessed 1 August 2010. It is endangered species (CR+EN) in Japan.
CiNii
* 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.
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of small, air-breathing land snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial molluscs, terrestrial gastropod mollusks that have gastropod shell, shel ...
, terrestrial
Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial.
Terrestrial may also refer to:
* Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...
pulmonate
Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
in the family Clausiliidae
Clausiliidae, also known by the common name door snails, is a Taxonomy (biology), taxonomic family (biology), family of small, very elongate, mostly Gastropod shell#Chirality in gastropods, left-handed, air-breathing land snails, sinistral terre ...
, the door snails, all of which have a clausilium
The clausilium is a calcareous anatomical structure which is found in one group of air-breathing land snails: terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails. The clausilium is one part of the clausilial appar ...
.MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa spelaeonis (Kuroda & Minato, 1975). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1334143 on 2022-07-03
Description
The height of the shell is 10–11 mm. The width of the shell is 2.5–3 mm.
Distribution
This species isendemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to central part of Kumamoto Prefecture
is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Kumamoto Prefecture has a population of 1,748,134 () and has a geographic area of . Kumamoto Prefecture borders Fukuoka Prefecture to the north, Ōita Prefecture t ...
, Kyushu
is the third-largest island of Japan's Japanese archipelago, four main islands and the most southerly of the four largest islands (i.e. excluding Okinawa Island, Okinawa and the other Ryukyu Islands, Ryukyu (''Nansei'') Ryukyu Islands, Islands ...
, Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
.カザアナギセル ''Neophaedusa spelaeonis''Japanese Red data book, accessed 1 August 2010. It is endangered species (CR+EN) in Japan.
Ecology
It lives in limestone caves.References
* Kuroda, T. & Minato, H. (1975). Description of a New Genus and Two New Species of Clausiliidae from Lime-stone Caves in Japan. Venus (Japanese Journal of Malacology). 34(1-2): 1-10.Further reading
* 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): 133-136CiNii
* 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 * http://www.biodic.go.jp/rdb_fts/before/506.html Clausiliidae Molluscs of Japan Gastropods described in 1975 Taxonomy articles created by Polbot {{Clausiliidae-stub