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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-07-28 and was most recently seen on 2026-07-28.
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 2006. A month later since the naming of Brygmophyseter, another study classified this species into the genus Naganocetus, which is considered to be a junior synonym. The only known specimen, a nearly complete skeleton, was dated to be around 16–14 million years old. The Brygmophyseter holotype is estimated to have been 6 to 7 meters long by different researchers, and it probably had 11 or 12 large teeth covered with thick enamel in the upper and lower jaws. The tooth roots were firmly embedded in the gums, making it easy to catch resistance-fighting prey.Brygmophyseter is part of a group of macroraptorial sperm whales which tended to be apex predators using their large teeth to catch large prey such as whales. It had a spermaceti organ which was probably used for biosonar like in the modern sperm whale. The whale has made an appearance on The History Channel's TV series Jurassic Fight Club.
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