Euhadra peliomphala: Difference between revisions
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== Subspecies == |
== Subspecies == |
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''Euhadra peliomphala'' has 4 [[subspecies]]: |
''[[Euhadra peliomphala]]'' has 4 [[subspecies]]: |
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* ''Euhadra peliomphala kunoensis'' <small>Kuroda ''in'' Masuda & Habe, 1989</small> |
* ''Euhadra peliomphala kunoensis'' <small>Kuroda ''in'' Masuda & Habe, 1989</small> |
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* ''Euhadra peliomphala nimbosa'' <small>(Crosse, 1868)</small> |
* ''Euhadra peliomphala nimbosa'' <small>(Crosse, 1868)</small> |
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* ''Euhadra peliomphala peliomphala'' <small>(Pfeiffer, 1850)</small> |
* ''Euhadra peliomphala peliomphala'' <small>([[Ludwig Karl Georg Pfeiffer|Pfeiffer]], 1850)</small> |
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* ''Euhadra peliomphala simodae'' <small>(Jay, 1856)</small> |
* ''Euhadra peliomphala simodae'' <small>(Jay, 1856)</small> |
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Revision as of 04:36, 21 February 2009
| Euhadra peliomphala | |
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| Euhadra peliomphala from Yokohama, Kanagawa Prefecture | |
NE[1]
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| Scientific classification | |
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| Species: | E. peliomphala
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| Binomial name | |
| Euhadra peliomphala (Pfeiffer, 1850)
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Euhadra peliomphala is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Bradybaenidae.
This species is endemic to Japan. The species exhibits exceptional geographical variation in its mitochondrial DNA.[2]
Subspecies
Euhadra peliomphala has 4 subspecies:
- Euhadra peliomphala kunoensis Kuroda in Masuda & Habe, 1989
- Euhadra peliomphala nimbosa (Crosse, 1868)
- Euhadra peliomphala peliomphala (Pfeiffer, 1850)
- Euhadra peliomphala simodae (Jay, 1856)
Hormonal control
As Euhadra peliomphala matures sexually, it develops a "head-wart" between the optic tentacles. The development of the "head-wart" parallels the development of the snail's reproductive system. The "head-wart" releases the steroid hormone, testosterone, throughout the body before mating.[3]
References
- ^ IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 18 November 2008.
- ^ Hayashi, M. & S. Chiba. 2000. Intraspecific diversity of mitochondrial DNA in the land snail Euhadra peliomphala (Bradybaenidae). Biological Journal of the Linnean Society 70(3): 391–401. doi:10.1006/bijl.1999.0376
- ^ Naokuni Takeda. 1980 Hormonal control of head-wart development in the snail, Euhadra peliomphala. Embryol. exp. Morph. Vol. 60, pp. 57-69.