This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...

The discovery of Shishania aculeata, a shell-less early Cambrian mollusk, sheds light on the evolutionary development of mollusks through its primitive yet distinctive anatomical features. Scientists ...

Quick Facts List of years in paleontology (table) ... List of years in paleontology (table) ...

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