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Conversely the increase in baleen whale size may have contributed to the extinction of megalodon, as they may have preferred to go after smaller whales; bite marks on large whale species may have come from scavenging sharks. Megalodon may have simply become coextinct with smaller whale species, such as Piscobalaena nana. [109]
Fossilized teeth of the Devonian-Cretaceous shark Asteracanthus †Asteracanthus †Athyris †Athyris fultonensis †Atrypa †Augustoceras †Aulopora †Aulopora tubiporoides †Aviculopecten †Aviculopecten germanus – or unidentified related form †Bellerophon †Beyrichoceras †Bisatoceras – tentative report †Bostonia
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Joseph Passiers found a jaw tooth which he gave me. It was judged by the company to weigh 10 pound. I got a shell of a Tusk of hard and good ivory about eighteen inches long. There is a great number of bones in a Bank on the side of this pond of an enormous size but decayed and rotten. Ribs 9 inches broad, Thigh bones 10 inches diameter.
The two recently identified shark species were up to 12 feet long and once lurked in what is now Kentucky. Teeth in walls of Kentucky cave belong to sharks that lurked 325 million years ago Skip ...
Otodontidae is an extinct family of sharks belonging to the order Lamniformes.Its members have been described as megatoothed sharks. [1] [2] They lived from the Early Cretaceous to the Pliocene, and included genera such as Otodus, including the giant megalodon. [3]
A shark-like image on their fish finder conjured images of a giant shark that swam the oceans millions of years ago. Shark-like underwater image conjures thoughts of 50-foot, 40-ton Megalodon for ...