Dunkleosteus belonged to a group of ancient, armoured fish known as the placoderms. These fish lived during the Silurian and the Devonian periods - between 440 and 359 million years ago - and they ...
SAN FRANCISCO (KRON) — A prehistoric fish that can grow up to 20 feet in length and is still found in the San Francisco Bay is seeing a steep decline in population across California, according to a ...
The specimen, studied by researchers at Western University, the Royal Tyrrell Museum of Palaeontology and international collaborators, is a skeleton of a fish about 4 cm long from the Late Cretaceous ...
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