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Physeter macrocephalus, Sperm whale tooth
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Physeter macrocephalus, Sperm whale tooth
Sperm whale tooth
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Media ID 14239146
© Mary Evans / Natural History Museum
Cetacea Cetacean Epitheria Eutheria Mammalia Odontoceti Physeter Placental Mammal Teeth Theria Tooth Toothed Cetacean Whale White Background Physeter Catodon Physeter Macrocephalus Physeteridae Sperm Whale Toothed Whale
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EDITORS COMMENTS
1. Title: "A Giant's Tooth: Unraveling the Mysteries of the Sperm Whale's Physeter Macrocephalus Tooth" 2.. This image showcases a colossal tooth from the Sperm Whale (Physeter macrocephalus), a majestic marine mammal renowned for its enormous size and intelligence. Belonging to the family Physeteridae and the order Odontoceti, this toothed whale is the largest toothed predator on Earth. The Sperm Whale's tooth, displayed against a pristine white background, is a testament to the whale's impressive anatomy. Measuring up to 30 centimeters (12 inches) long and weighing several kilograms, these teeth are the largest among all living animals. They serve multiple purposes, including defense against predators and the capture of their primary prey, giant squid. The Sperm Whale's tooth is a valuable historical artifact, providing insights into the whale's evolutionary history. Fossil records indicate that the first Sperm Whales appeared around 15 million years ago, and their massive teeth have been discovered in various parts of the world. These teeth have been used by researchers to study the whale's evolution, diet, and population dynamics. The tooth's intricate structure reveals its complex origin. It is an epiphyseal tooth, meaning it grows continuously throughout the whale's life, with new layers forming as the older ones wear down. This growth pattern is similar to that of human teeth, making the Sperm Whale a placental mammal, a subgroup of Eutheria, which includes all mammals that develop from a placenta. In conclusion, this awe-inspiring Sperm Whale tooth is not just a beautiful natural specimen but a fascinating piece of history that offers valuable insights into the anatomy, evolution, and biology of this magnificent marine creature.
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