Allognathus graellsianus
From Wikipedia, the free encyclopedia
| Allognathus graellsianus | |
|---|---|
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| Apertural view of the shell of Allognathus graellsianus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Helicidae |
| Genus: | Allognathus |
| Species: | A. graellsianus |
| Binomial name | |
| Allognathus graellsianus (Pfeiffer, 1853) | |
| 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]
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]
