Biology:Allognathus graellsianus
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Short description: Species of gastropod
| Allognathus graellsianus | |
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| Apertural view of the shell of Allognathus graellsianus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Helicidae |
| Genus: | Allognathus |
| 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
- ↑ 1.0 1.1 1.2 Gómez Moliner, B.J. (2011). "Allognathus graellsianus". IUCN Red List of Threatened Species 2011: e.T877A13088057. doi:10.2305/IUCN.UK.2011-1.RLTS.T877A13088057.en. https://www.iucnredlist.org/species/877/13088057. Retrieved 14 November 2021.
- ↑ 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
Wikidata ☰ Q308003 entry
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