Rasetti F. (1957). Additional fossils from the Middle Cambrian Mt. Whyte Formation of the Canadian Rocky Mountains. <em>Journal of Paleontology.</em> 31(5): 955-972. page(s): 969-971, figs. pl. 122 f. 9-14 [details]
original descriptionRasetti F. (1957). Additional fossils from the Middle Cambrian Mt. Whyte Formation of the Canadian Rocky Mountains. <em>Journal of Paleontology.</em> 31(5): 955-972. page(s): 969-971, figs. pl. 122 f. 9-14 [details]
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