Sagda alligans
Sagda alligans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Sagdidae.
Sagda alligans | |
---|---|
Illustration of adult and juvenile shells of Sagda alligans | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
(unranked): | clade Heterobranchia
clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
Superfamily: | |
Family: | |
Genus: | |
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.
References
- 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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.