More than half a billion years ago, the world's first monster appeared. With bulging eyes and fearsome, grasping claws, Anomalocaris cruised the seas during the geologic time period known as the ...
A 555-million-year-old fossil found in South Australia provides crucial evidence for the Precambrian origins of Ecdysozoa, which encompasses insects, crustaceans, and nematodes. The discovery of Uncus ...
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