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Fossilized remains of Wiwaxia from the Burgess Shale, with incipient spines, and partial scleritome exposing underlying tissue.
Mature Wiwaxia specimen, with incipient spines, and partial scleritome exposing underlying tissue.
Artist creative rendering of Wiwaxia from the Cambrian period.
An artist creates their own rendering of Wiwaxia from the Cambrian period.