Euhadra
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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.
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[edit] Distribution
These snails are endemic to Japan.
[edit] Species in the genus Euhadra
There are 22 species in the genus. 17 species have a dextral shell and 5 species are sinistral.[1]
[edit] 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 nachicola
- Euhadra peliomphala
- Euhadra sadoensis
- Euhadra sandai
- Euhadra senckenbergiana
- Euhadra senckenbergiana aomoriensis (Gulick & Pilsbry, 1900)
- Euhadra senckenbergiana ibukicola
- Euhadra senckenbergiana notoensis
- Euhadra senckenbergiana minoensis
- Euhadra senckenbergiana senckenbergiana
 Euhadra senckenbergiana aomoriensis |
 Euhadra senckenbergiana aomoriensis |
 Euhadra senckenbergiana ibukicola |
 Euhadra senckenbergiana senckenbergiana |
[edit] List of the sinistral species of Euhadra
- Euhadra decorata
- Euhadra grata
- Euhadra murayamai
- Euhadra quaesita, Sought-after False Hadra
- Euhadra scaevola
[edit] References
- ^ Davison A, Chiba S, Barton NH, Clarke B. "Speciation and Gene Flow between Snails of Opposite Chirality" (in English). PLoS Biology 3 (9, e282). doi:.
