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Article: Bivalved arthropods from the Cambrian Burgess Shale of British Columbia

Publication: Palaeontology
Volume: 20
Part: 3
Publication Date: August 1977
Page(s): 595 621
Author(s): D. E. G. Briggs
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How to Cite

BRIGGS, D. E. G. 1977. Bivalved arthropods from the Cambrian Burgess Shale of British Columbia. Palaeontology20, 3, 595–621.

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The new phyllocarid genus Perspicaris is proposed to include the type, Canadaspis dictynna Simonetta and Delle Cave, 1975, and P. recondita sp. nov., from the Middle Cambrian Burgess Shale of British Columbia. The two species are reconstructed in detail apart from the poorly preserved thoracic appendages. Hymenocaris? parva Walcott, 1912, from the same locality, is tentatively assigned to the genus Tuzoia Walcott, 1912.
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