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.
Wiwaxia corrugata from the Burgess Shale. ROM 61151 (Fig. 3G) – Mature specimen, with incipient spines, and partial scleritome exposing underlying tissue
