Burgess Shale’s Weird Wonders

The fossils found in the Burgess Shale include the 500-million-year-old ancestors of most modern animals

(Painting by D.W. Miller. Courtesy of Smithsonian Institution)


Anomalocaris canadensis
(Maura McCarthy)
Anomalocaris canadensis was one of the largest of the Burgess Shale specimens (its claws were shown in the second slide) and one of the most widely distributed, having been found in China, Greenland and Utah. It was placed in a class of an extinct group of primitive, ocean-dwelling arthropods. This fossil was discovered in 1992 by a ROM team in the Raymond Quarry, just above the Walcott Quarry.

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