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Paleontology

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illustration of Chinlestegophis

BACKSTORY WITH LEGS  Small and possibly living underground, the newly named extinct Chinlestegophis (artist’s illustration shown) still had legs but might be an ancient near-relative of today’s legless caecilian amphibians.

moon snail

KILLER DRILLERS  Predators such as moon snails (Naticarius orientalis shown) that kill by drilling through other animals’ shells offer a rare chance to test an idea about the power of enemies.

Zuul dino skull and illustration

DEMON DINO  An armored dinosaur’s skull suggests that its face resembled that of a demon in Ghostbusters, so the researchers named it Zuul crurivastator. But the dino (ilustrated) was a plant eater, not a predator.

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