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Diagram illustrating the largest (grey) and most conservative (red) size estimates of the Miocene-Pliocene shark Carcharocles megalodon (sometimes Carcharodon or Otodus megalodon) with a whale shark (violet), great white shark (green), and anachronistic human (black) to scale †Otodus megalodon; Otus †Otus asio †Oxydactylus – tentative ...
Polk County can boast more individual fossil recovery sites than any other Florida county due to the phosphate mining concerns. Bone Valley Formation is a prime geologic formation.
The Pleistocene limestones of the Florida Keys are rich in fossils. [12] The Pleistocene is the epoch of time best represented in Florida's fossil record. [6] In fact, Florida's Pleistocene sediments are regarded as the best source of Pleistocene fossils in the world, especially for the mammals of that age. [3]
The unusual teeth of Hemipristis serra are highly prized by collectors because they are often found in sediments in Southern Florida that yield extremely colorful fossil shark teeth. Their outstandingly large serrations make it a favorite and unique collectible fossil.
Any fossils, including fossil shark teeth, are preserved in sedimentary rocks after falling from their mouth. [13] The sediment that the teeth were found in is used to help determine the age of the shark tooth due to the fossilization process. [15] Shark teeth are most commonly found between the Upper Cretaceous and Tertiary periods. [16]
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Hybodonts were first described in the nineteenth century based on isolated fossil teeth (Agassiz, 1837). Hybodonts were first separated from living sharks by Zittel (1911). [ 1 ] Although historically argued to have a close relationship with the modern shark order Heterodontiformes , this has been refuted. [ 2 ]
In May 2021, a 26-year-old man was swimming at Burkes beach on Hilton Head when he suddenly felt pressure as teeth bit into his flesh. This shark, which was estimated to be about 5 feet long, bit ...
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