Sagda alligans
Species of gastropod
From Wikipedia, the free encyclopedia
Sagda alligans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Sagdidae.
| Sagda alligans | |
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| Illustration of adult and juvenile shells of Sagda alligans | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Sagdidae |
| Genus: | Sagda |
| Species: | S. alligans |
| Binomial name | |
| Sagda alligans (Reeve, 1851) | |
Shell description
The shell is imperforate, globosely conoidal, white, under a brownish-yellow epidermis. The incremental striae are regular, stronger on the spire than on the body whorl. The number of whorls is 8. The shell has a narrow, aperture with a deep-seated strong basal lamella.[1]
The adult shell diameter is 15–20 mm.