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Basilosaurus is thought to have been one of the largest animals of the Paleogene, with the type species B. cetoides measuring around 17–20 metres (56–66 ft) long and weighing up to 15 metric tons (17 short tons). It was the top predator of its environment in the shallows of the inland sea, preying on sharks, large fish and other marine mammals.
Skull of the holotype at the Museum of Natural History, Lima of National University of San Marcos. In November 2008, a partially preserved skull, as well as teeth and the lower jaw, belonging to L., the holotype specimen MUSM 1676, were discovered in the coastal desert of Peru in the sediments of the Pisco Formation, 35 km (22 mi) southwest of the city of Ica.
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 ...
They calculated that the ancient giant weighed somewhere between 94 and 375 tons (85 and 340 metric tons). The biggest blue whales found have been within that range — at around 200 tons (180 ...
This week, meet a colossal ancient whale, learn what happens when researchers tickle rats, see starry images from a new telescope, and more. Newly discovered ancient creature may have been the ...
The true largest macroraptorial sperm whale is none other than the Livyatan, with an estimated length of 44–57 ft (13.5–17.5 m) and an estimated weight of 62.8 short tons (57 tonnes). [119] The largest toothed whale is Orcinus paleorca, a Pleistocene relative of the modern Orca (Orcinus orca). The tooth is conical and belonged to the upper ...
This week, encounter the largest marine reptile ever to roam the seas, see a rainbow-like phenomenon on another planet, marvel at underwater bees, and more. 11-year-old’s fossil discovery ...
Paleontology in Florida refers to paleontological research occurring within or conducted by people from the U.S. state of Florida. Florida has a very rich fossil record spanning from the Eocene to recent times. [1] Florida fossils are often very well preserved. [2] The oldest known fossils in Florida date back to the Eocene.