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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]
In comparison, the modern killer whale has teeth about 10–13 centimetres (4–5 in) in height and 2.5 cm (1 in) in diameter. [6] The animal in life would probably have had 48 conical teeth in total, [ 2 ] in comparison to the modern killer whale ( O. orca ) which has 40 to 56. [ 6 ]
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.
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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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 ...
The teeth sit outside of the mouth, interlocking, with two large lower fangs that curl upward reaching past the fish’s eyes. Because its jaw can unhinge, the viperfish can eat large prey for its ...
Since the teeth of Zygophyseter are large, exhibit wearing not unlike the teeth of modern-day killer whales, and had functionality in both the upper and lower jaws, it was likely a macropredator. [9] The position of the condyloid processes between the jaw and the skull, like in the modern sperm whale, allowed it to open its jaw wider in order ...