| Cassis madagascariensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Casnidae |
| Subfamily: | Cassinae |
| Genus: | Cassis |
| Subgenus: | Cassis |
| Species: | C. madagascariensis |
| Binomial name | |
| Cassis madagascariensis Lamarck, 1822 |
|
Cassis madagascariensis is a species of very large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and bonnet shells.
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This species occurs in the tropical Western Atlantic. The specific name "madagascarensis" literally means "of Madagascar", but this was a misunderstanding of the type locality by the original author.
The maximum recorded shell length is 409 mm.[1]
The minimum recorded depth is 3 m.[1] The maximum recorded depth is 183 m.[1]
Shells of Cassis madagascariensis are used in jewellery to make cameos.