Thrissops

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Thrissops
Fossil range: Late Jurassic to Late Cretaceous
Thrissops formosus
Thrissops formosus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Pachycormiformes
Family: Ichthyodectidae
Genus: Thrissops

Thrissops is an extinct genus of teleost ray-finned fish from the Jurassic and Cretaceous periods. It was about 60 cm (2 ft) long.

Thrissops was a fast predatory fish which fed on other bony fish. It was related to the giant Xiphactinus and may have been an ancestor of the modern Osteoglossiformes, which includes the arapaima.