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| year = 2005
| year = 2005
| doi = 10.1371/journal.pbio.0030282
| doi = 10.1371/journal.pbio.0030282
| url = http://biology.plosjournals.org/perlserv/?request=get-document&doi=10.1371/journal.pbio.0030282
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| pmid = 16149849
| pmid = 16149849
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== Further reading ==
== Further reading ==
* {{Cite journal|last=Richards|first=Paul M.|last2=Morii|first2=Yuta|last3=Kimura|first3=Kazuki|last4=Hirano|first4=Takahiro|last5=Chiba|first5=Satoshi|last6=Davison|first6=Angus|date=2017-12-01|title=Single-gene speciation: Mating and gene flow between mirror-image snails|url=http://onlinelibrary.wiley.com/doi/10.1002/evl3.31/abstract|journal=Evolution Letters|language=en|volume=1|issue=6|pages=282–291|doi=10.1002/evl3.31|issn=2056-3744}}
* {{Cite journal|last=Richards|first=Paul M.|last2=Morii|first2=Yuta|last3=Kimura|first3=Kazuki|last4=Hirano|first4=Takahiro|last5=Chiba|first5=Satoshi|last6=Davison|first6=Angus|date=2017-12-01|title=Single-gene speciation: Mating and gene flow between mirror-image snails|journal=Evolution Letters|language=en|volume=1|issue=6|pages=282–291|doi=10.1002/evl3.31|pmid=30283656|pmc=6121799|issn=2056-3744}}
* Ueshima R. & Asami T. (16 October 2003). "Evolution: Single-gene speciation by left–right reversal". ''Nature'' '''425''': 679. {{doi|10.1038/425679a}}
* Ueshima R. & Asami T. (16 October 2003). "Evolution: Single-gene speciation by left–right reversal". ''Nature'' '''425''': 679. {{doi|10.1038/425679a}}
* {{ja icon}} Kawana M. (2007). [http://www.d1.dion.ne.jp/~kinmirai/22-maimai.html かたつむりの世界〈マイマイ属〉] ''The world of land snails (Euhadra) in Japan''. Nagoya, Kinmirai-sha. 332 pp. {{ISBN|978-4-906431-25-0}} (with English introduction)
* {{ja icon}} Kawana M. (2007). [http://www.d1.dion.ne.jp/~kinmirai/22-maimai.html かたつむりの世界〈マイマイ属〉] ''The world of land snails (Euhadra) in Japan''. Nagoya, Kinmirai-sha. 332 pp. {{ISBN|978-4-906431-25-0}} (with English introduction)

Revision as of 18:05, 28 January 2019

Euhadra
Euhadra quaesita
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora

informal group Sigmurethra
Superfamily:
Family:
Genus:
Euhadra

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 almost endemic to Japan, but one of them are distributed in Korea.

Species

There are 22 species in the genus. 17 species have a dextral shell and 5 species are sinistral.[2]

Dextral species

Dextral species in the genus Euhadra include:

Sinistral species

Euhadra murayamai

Sinistral species in the genus Euhadra include:

References

  1. ^ Pilsbry H. A. (1890) In: Tryon & Pilsbry, Manual of Conchology (2)6: 94-95.
  2. ^ Davison A, Chiba S, Barton NH, Clarke B (2005). "Speciation and Gene Flow between Snails of Opposite Chirality". PLoS Biology. 3 (9, e282): e282. doi:10.1371/journal.pbio.0030282. PMC 1182688. PMID 16149849.{{cite journal}}: CS1 maint: unflagged free DOI (link) Open access icon

Further reading