Frigocanthus is a genus of extinct tetraodontiform marine fishes.
Species Frigocanthus margaritatus Frigocanthus stroppanobili
Fossil record Fossils of Frigocanthus are found in the Pliocene and Pleistocene of Italy and in the Pliocene of Greece.YUSUKE MIYAJIMA, FUMIO OHE, HAKUICHI KOIKE & HIROSHIGE MATSUOKA First fossil occurrence of a filefish (Tetraodontiformes; Monacanthidae) in Asia, from the Middle Miocene in Nagano Prefecture, central Japan Zootaxa 3786 (3): 382–400
Description 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 .
Bibliography Sorbini, C. & Tyler, J.C. (2004) Review of the fossil file fishes of the family Monacanthidae (Tetraodontiformes), Pliocene and Pleistocene of Europe, with a new genus, Frigocanthus, and two new species related to the Recent Aluterus. Bollettino del Museo Civico di Storia Naturale di Verona, 28, 41–76. Geologia Paleontologia Preistoria
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