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: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura |
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| Family: | |
| Genus: | |
| Species: | S. alligans
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| Binomial name | |
| Sagda alligans (Reeve, 1851)
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Shell description edit
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 edit
References edit
- ^ a b 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.