How penis bones help primates win the mating game – and why humans might have lost theirs - Walurs penis
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The baculum, also called the os penis or penis bone, is a puzzling thing. It sits in the tip of the organ, not connected to any larger skeletal. The baculum is a bone found in the penis of many placental mammals. It is absent in the . In , a ft-long ( m) fossilized penis bone from an extinct species of walrus, believed by the seller to be the largest in existence, was sold for.