| Costate tun | |
|---|---|
| | |
| Two views of a shell of Tonna allium | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Tonnidae |
| Genus: | Tonna |
| Species: | T. allium |
| Binomial name | |
| Tonna allium | |
| Synonyms [2] | |
| |
Tonna allium, common name the costate tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells. [2]
The size of an adult shell varies between 50 mm and 131 mm.
| | This section needs expansion. You can help by adding to it. (April 2011) |
This species occurs in the Indian Ocean off Madagascar, the Mascarene Basin and Mauritius.