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Revision as of 14:27, 8 June 2008

Euhadra
Euhadra quaesita
Scientific classification
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Genus:
Euhadra

Pilsbry, 1890

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

List of the sinistral species of Euhadra

Euhadra murayamai

References

  1. ^ Davison A, Chiba S, Barton NH, Clarke B. "Speciation and Gene Flow between Snails of Opposite Chirality". PLoS Biology. 3 (9, e282). doi:10.1371/journal.pbio.0030282. {{cite journal}}: Cite has empty unknown parameters: |month= and |coauthors= (help)CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)