Basilosaurus
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Basilosaurus is a genus of large, predatory, prehistoric archaeocete whale from the late Eocene, approximately 41.3 to 33.9 million years ago. First described in 1834, it was the first archaeocete and
Basilosaurus cetoides
Outdated restoration of Basilosaurus by Charles R. Knight from 1907 showing a serpent-like body-plan
Skeleton of B. isis at Wadi El Hitan
Basilosaurus isis fossil, Nantes History Museum in France
Cetacean
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Cetaceans are marine mammals belonging to the infraorder Cetacea, a secondarily aquatic clade under the order Artiodactyla that include whales, dolphins, porpoises and extinct groups such as Basilosau
Basilosaurus
…is one of the largest animals known to exist between the K–Pg extinction event 66 million years ago (mya) and around 15 million years ago when modern cetaceans began to reach enormous sizes. B. cetoides measured 17–20 m (56–66 ft) long and B. isis measured 15–18 m (49–59 ft) long. A 1998 study estimated that…
Mother and baby sperm whale
Humpback stellwagen edit
Killerwhales jumping
GRNMS Right Whales