An illustration of the enormous extinct prehistoric fish Dunkleosteus swimming in search of food within a Late Devonian Sea.

Dunkleosteus is a genus of prehistoric fish existing during the Late Devonian period, about 380–360 million years ago. Some of the species, such as D. terrelli, D. marsaisi, and D. magnificus, are among the largest arthrodire placoderms ever to have lived.


The largest species, D. terrelli, measuring up to 10 m (33 ft) and weighing 3.6 t (4.0 short tons), was a hypercarnivorous apex predator.

(Definition Source: Wikipedia)



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