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Benton, M. J. Recovery of vertebrate faunas from the end-Permian mass…
Raup, D. M. & Sepkoski, J. J. Mass extinctions in the marine fossil record. N. Ser. 215, 1501–1503 (1982).
Google Scholar
Benton, M. J. Recovery of vertebrate faunas from the end-Permian mass…