| Frigocanthus Temporal range: | |
|---|---|
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| Fossil of Frigocanthus margaritatus | |
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| Fossil of Frigocanthus stroppanobili | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Tetraodontiformes |
| Family: | Monacanthidae |
| Genus: | †Frigocanthus Sorbini & Tyler, 2004 |
Frigocanthus is a genus of extinct tetraodontiform marine fishes.
Fossils of Frigocanthus are found in the Pliocene and Pleistocene of Italy and in the Pliocene of Greece.
The filefishes of the genus Frigocanthus have 21 vertebrae and show a remarkable enlargement of scales. Furthermore, they have a strong first dorsal spine with large, prominent barbs. The species Frigocanthus margaritatus can reach a length of about 310 millimetres (12 in).
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