Euhadra: Difference between revisions
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{{Taxobox |
{{Taxobox |
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| color = pink |
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| name = ''Euhadra'' |
| name = ''Euhadra'' |
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| image = Euhadra quaesita.jpg |
| image = Euhadra quaesita.jpg |
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Revision as of 21:51, 2 March 2008
| Euhadra | |
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| Euhadra quaesita | |
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| Genus: | Euhadra Pilsbry, 1890
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Euhadra is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Bradybaenidae. (This snail genus was previously placed in the family Eulotidae).
A few of the species in this genus are unusual in that specimens in those species always have left-handed "sinistral" coiling in their shells, as shown in the specimen on the right. The rest of the species in the genus are right-handed or "dextral" in the shell coiling, as is usually the case in the great majority of gastropods.
Distribution
These snails are endemic to Japan.
Species in the genus Euhadra
There are 22 species in the genus. 17 species have a dextral shell and 5 species are sinistral.[1]
List of the dextral species of Euhadra
- Euhadra amaliae (Kobelt, 1875)
- Euhadra awaensis
- Euhadra brandtii
- Euhadra callizona
- Euhadra congenita
- Euhadra dixoni
- Euhadra eoa
- Euhadra herklotsi
- Euhadra idzumonis
- Euhadra latispira
- Euhadra peliomphala
- Euhadra sandai
- Euhadra senckenbergiana
List of the sinistral species of Euhadra
- Euhadra decorata
- Euhadra grata
- Euhadra murayamai
- Euhadra quaesita (Deshayes, 1850) - Sought-after False Hadra, (ヒダリマキマイマイ in Japanese)
- Euhadra scaevola
References
- ^
Davison A, Chiba S, Barton NH, Clarke B. "Speciation and Gene Flow between Snails of Opposite Chirality". PLoS Biology. 3 (9, e282). doi:doi:10.1371/journal.pbio.0030282.
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