English: Canadaspis perfecta fossil from the Burgess Shale. On display at Florida Museum of Natural History, University of Florida, Gainesville, Florida. The caption of this specimen at the museum is as follows:
Burgess Shale
Canadaspis perfecta
UF-IP 512
From Canada, British Columbia
Lived ~500 million years ago
This animal is a crustacean. Like it's living relatives (lobsters and shrimp), it lived in mud and fed just under the silt layer of the ocean floor. It used its front appendages like a rake to filter through the sediment for food, which collected on its spines and was then passed into its mouth.
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