Prehistoric whale reveals extreme skull asymmetry
Summary
Sperm whales and pygmy sperm whales are known among mammals for their unusually shaped heads. Unlike most vertebrates, which are bilaterally symmetrical, toothed whales have asymmetrical skulls that accommodate highly specialized organs used for echolocation and sound production.
Description from Phys.
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Fossil Skull from Peru Reveals Pygmy Sperm Whale with Record-Breaking Facial Asymmetry
Some six million years ago (Late Miocene epoch), a pygmy sperm whale with a face unlike anything in today’s oceans may have swept its downturned snout along the shallow seabed off what is now southern Peru.
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Prehistoric whale reveals extreme skull asymmetry
Sperm whales and pygmy sperm whales are known among mammals for their unusually shaped heads. Unlike most vertebrates, which are bilaterally symmetrical, toothed whales have asymmetrical skulls that accommodate highly specialized organs used for echolocation and sound production.
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