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Basilosaurus (meaning "king lizard") is a genus of large, predatory, prehistoric archaeocete whale from the late Eocene, approximately 41.3 to 33.9 million years ago (mya). ). First described in 1834, it was the first archaeocete and prehistoric whale known to scienc
The largest known basilosaurid, Perucetus colossus, is believed to be even bigger, with a length of about 17–20 metres (56–66 ft) and possibly comparable to, if not larger than, the modern blue whale in terms of weight, [15] though other researchers argue that it was much lighter.
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 ...
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 ...
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 ...
Wādī al-Ḥītān is the most important site in the world to demonstrate one of the iconic changes that make up the record of life on Earth: the evolution of the whales. It portrays vividly their form and mode of life during their transition from land animals to a marine existence.
Livyatan is the largest fossil sperm whale discovered, and was also one of the biggest-known predators, having the largest bite of any tetrapod. [ 1 ] [ 8 ] Diagram comparing the upper and lower size estimates of Livyatan (bottom three) with the size of mature sperm whales, including one of the largest individuals recorded (top three), and a human