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In comparison, the modern killer whale has teeth around 8 cm (3.1 in) in height and 2.5 cm (0.98 in) in diameter. [3] Like the modern killer whale, the tooth lacks a coat of cementum. However, unlike the modern killer whale, O. paleorca had a circular tooth root as opposed to an oval, and the pulp extended more towards the back than the front. [2]
Orcinus meyeri is a fossil species of Orcinus (killer whales) found in the Early Miocene deposits of southern Germany, known from two jaw fragments and 18 isolated teeth. It was originally described as Delphinus acutidens in 1859, but reclassified in 1873. Its validity is disputed, and it may be a synonymous with the ancient sperm whale ...
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Toothed whales range in size from the 1.4 m (4 ft 7 in) and 54 kg (119 lb) vaquita to the 20 m (66 ft) and 100 t (98 long tons; 110 short tons) sperm whale. Several species of odontocetes exhibit sexual dimorphism , in that there are size or other morphological differences between females and males.
The skull measures around 60 cm (24 in), in contrast to the 65 to 110 cm (26 to 43 in) skull of the modern killer whale. Like the modern killer whale, the snout is broad and relatively short, and the eye socket is relatively small. [3] It had 28 conical teeth in either jaw, unlike the modern killer whale which has, on average, 24. [1] The ...
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The false killer whale is an apex predator, inhabiting tropical and subtropical waters. [32] [33] Generally, the false killer whale targets a wide array of squid and fish of various sizes during daylight hours. [9] [34] They typically target large species of fish, such as mahi-mahi, wahoo and tuna.
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