Middle Cambrian Polychaetes from the Burgess Shale of British Columbia (Q56782768)
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(P31) (Q13442814)
(P50) (Q286098)
(P304) 227-274
(P407) (Q1860)
(P433) 1007
(P478) 285
(P577) Friday, March 23, 1979
(P1433) (Q2153239)
(P1476) "Middle Cambrian Polychaetes from the Burgess Shale of British Columbia" (language: en)
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