A killer, bony fish the length of an adult California sea lion stalked freshwater rivers as a top predator ... site rich in specimens from the Late Devonian world, about 419.2 million and 358.9 ...

is the largest bony fish on record from the Late Devonian (383 million to 359 million years ago) and was predatory, prompting researchers to call it Hyneria udlezinye, or the "one who consumes ...

Dunkleosteus was a massive armored fish ... the Devonian seas over 358 million years ago. With powerful, self-sharpening jaws and an immense bite force, it was one of the most fearsome predators ...

They may have spent most of their lives in the water, leaving it only to escape the attentions of predatory fish. The first ammonoids also arose during the Devonian. Related to octopuses and squid ...

A fossil fish called Dunkleosteus was less svelte shark and more rotund tuna, but that only made it a fiercer predator in the seas of the Devonian Period. By Jack Tamisiea With a bite that could ...

The fish had large fangs alongside tightly-packed sharp teeth – and openings on the top of the skull for breathing airCredit: Courtesy Journal of Vertebrate Paleontology The 1.3ft predator had ...

Meet Harajicadectes zhumini, a newly described predatory fish species that prowled the rivers of Central Australia during the Middle-Late Devonian period ... features are the large openings on the top ...