Anomalocaris

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Anomalocaris
Temporal range: Early to mid Cambrian
ROM-BurgessShale-CompleteAnomalocarisFossil.png
Image of the first complete Anomalocaris fossil found, residing in the Royal Ontario Museum
Scientific classification
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(unranked):
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Anomalocaris

Whiteaves 1892
Species
  • A. briggsi
  • A. canadensis
  • A. pennsylvanica
  • A. saron

Anomalocaris ("abnormal shrimp") is an extinct genus of anomalocaridid, which are, in turn, thought to be closely related to the arthropods. The first fossils of Anomalocaris were discovered in the Ogygopsis shale by Joseph Frederick Whiteaves, with more examples found by Charles Doolittle Walcott in the famed Burgess Shale.