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LIMA (Reuters) -Paleontologists in Peru on Monday unveiled the 9-million-year-old fossil of a relative of the great white shark that once inhabited the waters of the southern Pacific Ocean, where ...
However, teeth marks on the bones of marine reptiles are evidence that these shark also fed on carrion. The body shape and structure of the trunk placoid scales indicate the ability to swim quickly. A fully articulated 1.9-m long fossil skeleton of Squalicorax falcatus has been found in Kansas, evidence of its presence in the Western Interior ...
A new fossil revealing the complete side view of Ptychodus measured nearly 1.5 meters (about 5 feet) in length, suggesting it was from was of a much smaller shark.
Paleontologists discovered the fossilized remains of an aquatic “dragon” that prowled the Pacific Ocean millions of years ago. The monstrous predator — which measured as long as a great ...
Fossils have been found in areas where paleoclimatic estimates show a surface temperature as low as 5 °C (41 °F). Regional endothermy in Cretoxyrhina may have been developed in response to increasing pressure from progressive global cooling and competition from mosasaurs and other marine reptiles that had also developed endothermy.
Cosmopolitodus is an extinct genus of mackerel shark that lived between thirty and one million years ago during the late Oligocene to the Early Pleistocene epochs.Its type species is Cosmopolitodus hastalis, the broad-tooth mako (other common names include the extinct giant mako and broad-tooth white shark).
Greenland shark meat is produced and eaten in Iceland where, today, it is known as a delicacy called hákarl. To make the shark safe for human consumption, it is first fermented and then dried in a process that can take multiple months. The shark was traditionally fermented by burying the meat in gravel pits near the ocean for at least several ...
The 150-million-year-old fossil known as "Apex" will be displayed at the American Museum of Natural History starting December 8.