Lotoria triangularis
Species of gastropod
From Wikipedia, the free encyclopedia
Lotoria triangularis is a species of predatory sea snail, a marine gastropod mollusk in the family Cymatiidae.[1] shell of Lotoria triangularis is robust and can reach a maximum length of 142 mm. the shell features a turreted, fusiform shape with prominent varices. The whorls are typically triangular in cross-section—a feature that gives the species its name—and are often coronated with blunt tubercles or spines.
| Lotoria triangularis | |
|---|---|
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| A shell of Lotoria triangularis without the periostracum but with the operculum glued onto cotton in the aperture. Anterior end to the upper right | |
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| Apertural view of Lotoria triangularis | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Cymatiidae |
| Genus: | Lotoria |
| Species: | L. triangularis |
| Binomial name | |
| Lotoria triangularis (Emerson & Old, 1963) | |
| Synonyms[1] | |
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The aperture is notably longer than the spire, with an outer lip that is heavily dentated internally. In its natural state, the shell is covered by a periostracum, a fibrous, hair-like outer layer that protects the calcium carbonate shell from erosion.
Description
The length of the shell attains 142 mm.
Distribution
This species of marine snail occurs in the Indo-Pacific ocean, mainly off India, Sri Lanka and in the Andaman Sea.