Sagda alligans
| Sagda alligans | |
|---|---|
 | |
| Illustration of adult and juvenile shells of Sagda alligans | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Superfamily: | Sagdoidea |
| Family: | Sagdidae |
| Genus: | Sagda |
| Species: | S. alligans |
| Binomial name | |
| Sagda alligans (Reeve, 1851) | |
Sagda alligans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Sagdidae.
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.
Distribution
References
- 1 2 Tryon G. W. 1887 Manual of conchology; structural and systematic. With illustrations of the species. Second series: Pulmonata. Volume 3. Helicidae - Volume I. page 6.
External links
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