New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones

An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.

An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.

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