Technology8/19/2025Wired

An Ancient Penis Worm With Rings of Sharp Teeth Has Been Discovered in the Grand Canyon

An Ancient Penis Worm With Rings of Sharp Teeth Has Been Discovered in the Grand Canyon

A team of researchers has discovered a remarkable 500-million-year-old fossil in the Grand Canyon, belonging to an ancient species of penis worm. The fossil, which is much larger than its modern counterparts, has been named Mongolounguis spiculus, a nod to the fearsome krayt dragons from the Star Wars universe. The penis worm, a type of marine invertebrate, is known for its phallic shape and the presence of rings of sharp teeth. This particular specimen, estimated to be half a billion years old, provides insights into the evolution of these peculiar creatures. The discovery sheds light on the diverse marine life that existed during the Cambrian period, a time of significant evolutionary changes. The fossil's impressive size and intricate features suggest that the ancient penis worm was a formidable predator, capable of hunting and feeding on its prey with its powerful jaws. This remarkable find highlights the ongoing efforts to uncover the secrets of the Earth's past and the continued importance of paleontological research in understanding the development of life on our planet.

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