Sagda alligans
Sagda alligans | |
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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
This species occurs in Jamaica.[1]
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
- http://www.discoverlife.org/mp/20q?search=Sagda+alligans&guide=Molluscs
- http://shell.kwansei.ac.jp/~shell/pic_book/data43/r004262.html
This article is issued from Wikipedia - version of the 7/20/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.