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.

Firstly, Retallack misconstrues the nature of the Permian foraminifera that survive into the Triassic in Tibet. These taxa are not disaster taxa in the understood sense, although foraminiferal disaster taxa, such as Earlandia are well known from post-extinction strata in many sections (see Hallam and Wignall 1997, which includes a...

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