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O. megalodon was formerly thought to be a member of the family Lamnidae and a close relative of the great white shark (Carcharodon carcharias), but has been reclassified into the extinct family Otodontidae, which diverged from the great white shark during the Early Cretaceous.
Otodus angustidens [3] is an extinct species of prehistoric megatoothed sharks in the genus Otodus, which lived during the Late Eocene and Miocene epochs about 34 to 21 million years ago. [4] The largest individuals were about 11–12 metres (36–39 ft) long. This shark is related to another extinct megatoothed shark, the famous Otodus ...
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The fossils of Otodus sharks indicate that they were very large macro-predatory sharks. [7] The largest known teeth of O. obliquus measure about 104 millimetres (4.1 in) in height. [8] The vertebral centrum of this species are over 12.7 cm (5 inch) wide. [7] Scientists suggest that O. obliquus would have measured about 8–9 metres (26–30 ft ...
Cretoxyrhina (/ k r ɪ ˌ t ɒ k s i ˈ r h aɪ n ə /; meaning 'Cretaceous sharp-nose') is an extinct genus of large mackerel shark that lived about 107 to 73 million years ago during the late Albian to late Campanian of the Late Cretaceous.
Saber-toothed cats of the extinct genus Homotherium lived across the globe during the Pliocene (5.3 million to 2.6 million years ago) and early Pleistocene (2.6 million to 11,700 years ago) epochs ...
Helicoprion is a genus of extinct shark-like [1] eugeneodont fish. Almost all fossil specimens are of spirally arranged clusters of the individuals' teeth, called "tooth whorls", which in life were embedded in the lower jaw. As with most extinct cartilaginous fish, the skeleton is mostly unknown.
A Pennsylvania 8-year-old on vacation in SC found a huge fossilized tooth from a long-extinct shark species. ... to Myrtle Beach and made the 2.5-hour trip south to Summerville to go to Palmetto ...