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The shark is believed to be an ancestor of the great white shark. It is now extinct, but its teeth once spanned up to 8.9 cm (3.5 inches) in length, while adults could grow to near seven meters in ...
The monstrous predator — which measured as long as a great white shark — belongs to a brand new species, according to a Dec. 12 University of Cincinnati news release.
The behemoth clocked in at a whopping 6 1/6 inches in length—roughly the size of a human hand!
Ptychodus (from Greek: πτυχή ptyche 'fold' and Greek: ὀδούς odoús 'tooth') [1] is a genus of extinct large durophagous (shell-crushing) lamniform sharks from the Cretaceous period, spanning from the Albian to the Campanian. [2] Fossils of Ptychodus teeth are found in many Late Cretaceous marine sediments worldwide. [3]
Using the reconstruction, Eastman identified the many extinct shark species and found that their fossils are actually different tooth types of O. mantelli, which he all moved into the species. [ 19 ] [ 7 ] This skeleton, which Sternberg had sold to the Ludwig Maximilian University of Munich , was destroyed in 1944 by allied bombing during World ...
Aquilolamna is an extinct genus of shark-like elasmobranch from the Late Cretaceous ()-aged Agua Nueva Formation of Mexico.It is currently known to contain only one species, A. milarcae, also known as the eagle shark, and it is classified in its own family Aquilolamnidae, which has been tentatively assigned to the mackerel sharks.
Meg 2: The Trench hits theaters this week with a larger-than-life depiction of the megalodon. Here’s what we actually know about the beast, according to scientists.
Cretalamna is a genus of extinct otodontid shark that lived from the latest Early Cretaceous to Eocene epoch (about 103 to 46 million years ago). It is considered by many to be the ancestor of the largest sharks to have ever lived, such as Otodus angustidens , Otodus chubutensis , and Otodus megalodon .