Tag: jaws
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Haul of Fossil Fish Pushes Back the Origin of Teeth and Jaws
Smithsonian Magazine has a post about some amazing fish fossils. A series of papers published in the journal Nature shed light on the evolution of teeth and jaws. The discovery of these fossil fish from the Silurian of China has pushed back the oldest jawed fish to about 436 million years ago. Previously, the oldest…
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Juvenile Tyrannosaurs Had Powerful Bite, New Study Shows
SciNews has a story about Tyrannosaurus rex. A recent study looked the bite force of juvenile T. rex and found they had a bite force somewhere between modern hyenas and crocodiles at about 5,641 newtons. Humans deliver a force less than 1/10 at around 300 newtons. Details of the story can be found in a…
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CBC: Ancient spider cousin had 5 sets of jaws for crushing its prey
Artistic reconstruction of Habelia optata on the Cambrian seafloor. Habelia is thought to have been an active predator, eating small animals with hard carapaces, such as trilobites. (Joanna Liang/Royal Ontario Museum) CBC has an article with new information about a Cambrian predator. The animal, Habelia optata, lived about 508 million years ago. It now appears…
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400 million year old gigantic extinct monster worm discovered in Canadian museum
Phys.org has a post about a gigantic worm which lived about 400 million years ago. The fossil species was discovered back in 1994 by Derek K Armstrong of the Ontario Geologic Survey. He had been dropped by helicopter to investigate the rocks and fossils in a remote and temporary exposure in Ontario. The species has…
