Phareodus encaustus
Green River Fossil Fish

Name: Phareodus encaustus

Age: Eocene

Size: mm (25.4mm=1 inch): 520 mm (26 1/2 inches) in length on 790 by 150 by 70 mm limestone matrix (31 by 15 by 1 3/4 inches).

Location: Fossil Lake's Green River Formation, Wyoming

Phareodus encaustus fossil fishPhareodus encaustus is readily distinguished by its long pectoral fin and large pointed teeth. The teeth testify to the fish's likely carnivorous behavior, and so too the scales often found preserved in the stomach. In fact, the name means "to have tooth". A member of family Osteoglossidae, it has extant cousins found in Central-South America and Southeast Asia. This is truly an astonishing specimen by all measures, size, preservation and preparation.


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