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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
Livyatan probably targeted medium-sized whales ranging in size from 7–10 m (23–33 ft). Macroraptorials probably competed with the extinct giant shark megalodon for the same food sources. [7] [10] [11] [12] In sperm whales, the supracranial basin holds the spermaceti organ, a series of oil and wax reservoirs which aids in echolocation.
Zygophyseter varolai is an extinct sperm whale that lived during the Tortonian age of the Late Miocene 11.2 to 7.6 million years ago. It is known from a single specimen from the Pietra Leccese Formation in Italy.
A colossal ancient whale discovered in Peru might be the heaviest animal on record, according to a new study. ... and the enormous macropredatory sperm whale Livyatan melvillei,” he added. ...
A livyatan refers to a toothed whale that actually existed. According to Kim, the livyatan is an ancient whale related to a modern sperm whale. Its skull is about nine feet long and its teeth are ...
Livyatan had a short and wide rostrum measuring 10 feet (3.0 m) across, which gave the whale the ability to inflict major damage on large struggling prey, such as other early whales. Species like these are collectively known as killer sperm whales or macroraptorial sperm whales .
English: Various size estimates of Livyatan melvillei, an extinct macroraptorial sperm whale, compared to the extant sperm whale (Physeter macrocephalus). • Livyatan was described by Lambert et al. (2010) and is primarily known from a large, fairly complete ~3 metres (9.8 ft) long skull, MUSM 1676.
The macroraptorial sperm whales Livyatan, Zygophyseter, Brygmophyseter, and Acrophyseter potentially also belong to this subfamily. [5] "Ontocetus" oxymycterus, described from the middle Miocene of Santa Barbara, California, was assigned to Scaldicetus in 2008, [9] but was subsequently made the type of a new genus, Albicetus. [10]