| Comment on: Contrasting Deep-water Records from the Upper Permian and Lower Triassic of South Tibet and British Columbia: Evidence for a Diachronous Mass Extinction (Wignall and Newton 2003): Reply (2004) | |||||||||
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| We are pleased that our paper has generated interest from Retallack and relish the opportunity to comment further on the intriguing timing of the end-Permian extinction. Perhaps not surprisingly, we do not agree with any of Retallack’s assertions and deal with them here in the order he presented them. | |||||||||
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