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The tooth sockets increased in size from the first to the fourth and then decreased, the fourth being the largest at around 197 mm (7.8 in) in diameter in the upper jaws, which is the largest of any known whale species. The tooth sockets were smaller in the lower jaw than they were in the upper jaw, and they were circular in shape, except for ...
The toothed whales (also called odontocetes, systematic name Odontoceti) are a clade of cetaceans that includes dolphins, porpoises, and all other whales with teeth, such as beaked whales and the sperm whales. 73 species of toothed whales are described.
Pages in category "Prehistoric toothed whales" The following 54 pages are in this category, out of 54 total. This list may not reflect recent changes. A. Acrophyseter;
Odobenocetops (/ ˌ oʊ d ə b iː ˈ n ɒ s ɪ t ɒ p s /) is an extinct genus of small toothed whale known from Chile and Peru.Its fossils are found in Miocene-aged marine strata of the Bahía Inglesa Formation and Pisco Formation.
Squalodontidae or the shark-toothed dolphins is an extinct family of large toothed whales who had long narrow jaws. [2] Squalodontids are known from all continents except Antarctica, from the Oligocene to the Neogene , but they had a maximal diversity and global distribution during the Late Oligocene and Early to Middle Miocene ( 28 to 15 mya ).
Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it was first described in 1994, the species was placed in the genus Scaldicetus based on tooth morphology , but this was later revised in 1995.
Since the 1800s, only six other spade-toothed whales have been documented. On July 4, a spade-toothed whale washed up near Taiari Mouth in New Zealand and is the first whole animal recovered in ...
Ankylorhiza is the largest known Oligocene toothed whale and is one of the most completely known early members of this group, with characteristics intermediate between basal and derived cetaceans. The taxon would have had powerful jaw musculature and probably fed on large prey by seizing it and puncturing it with its robust teeth.