Allognathus graellsianus
Allognathus graellsianus | |
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Apertural view of the shell of Allognathus graellsianus | |
Scientific classification | |
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(unranked): | clade Heterobranchia
clade Euthyneura |
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Species: | A. graellsianus
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Binomial name | |
Allognathus graellsianus (Pfeiffer, 1853)
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Synonyms | |
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Allognathus graellsianus is a species of land snail in the family Helicidae, the true snails. It is endemic to Mallorca, one of Spain's Balearic Islands.[1] This taxa is the type species of the genus Allognathus.
The snail lives in cracks in rocks and walls and is only active when it rains.[1]
Description
A. graellsianus presents a thin globose shell. It has from 4 to 4 ½ whorls of fast growth, showing 5 bands well separated and usually discontinued. The aperture is oval-rounded with a reddish brown reflected peristome. The umbilicus is completely closed.[2]
Distribution
The species is distributed along northwestern Tramuntana Mountains (western Mallorca), cohabiting in many localities with A. hispanicus.
References
- ^ a b c Gomez, B. 2013. Allognathus graellsianus. The IUCN Red List of Threatened Species. Version 2014.3. Downloaded on 17 April 2015.
- ^ Chueca, Luis J.; Forés, Maximino; Gómez-Moliner, Benjamín J. (2013). "Consideraciones nomenclaturales sobre las especies del género Allognathus (Gastropoda: Pulmonata: Helicidae) y estudio anatómico de Allognathus hispanicus tanitianus". Iberus. 31: 63–74.
External links