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The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangea (Borup Fiord, Arctic Canada): a global crisis driven by
volcanism and anoxia
; Bond, D P G; Wignall, P B; Grasby, S E. Geological Society of America Bulletin vol. 132, 5-6, 2020 p.
(NRCan Cont.# 20200199)