Mal:Perm-trias-utryddinga grafisk tidslinje

Perm-trias-utryddinga

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Masseutrydding

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δ¹³C stabiliserer seg på +2 ‰. Forkalka grønalger kjem tilbake.^[1]

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Slutten på utryddinga i guadalupium?

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Trea kjem tilbake^[2]

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Kol dukkar opp igjen^[3]

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Scleractinia-korallar
& forkalka svampar^[1]

P
e
r
m

T
r
i
a
s

Mesozoikum
Paleozoikum
Lopingium (Øvre perm)
Guadalupium (mellomperm)

Ein tilnærma tidsskala for hendingar i grensa mellom perm og trias.
Skala: Millionar år sidan.

252 Ma

↓

↑ ^1,0 ^1,1 Payne, J.L.; Lehrmann, D.J.; Wei, J.; Orchard, M.J.; Schrag, D.P.; Knoll, A.H. (2004). «Large Perturbations of the Carbon Cycle During Recovery from the End-Permian Extinction». Science 305 (5683): 506. PMID 15273391. doi:10.1126/science.1097023.
↑ McElwain, J.C.; Punyasena, S.W. (2007). «Mass extinction events og the plant fossil record». Trends in Ecology & Evolution 22 (10): 548–557. doi:10.1016/j.tree.2007.09.003.
↑ Retallack GJ Veevers JJ & Morante R (1996). «Global coal gap between Permian–Triassic extinctions and middle Triassic recovery of peat forming plants». GSA Bulletin 108 (2): 195–207. Henta 23. august 2008.

[Payne2004-1] 1,0 ^1,1 Payne, J.L.; Lehrmann, D.J.; Wei, J.; Orchard, M.J.; Schrag, D.P.; Knoll, A.H. (2004). «Large Perturbations of the Carbon Cycle During Recovery from the End-Permian Extinction». Science 305 (5683): 506. PMID 15273391. doi:10.1126/science.1097023.

[McElwain2007-2] McElwain, J.C.; Punyasena, S.W. (2007). «Mass extinction events og the plant fossil record». Trends in Ecology & Evolution 22 (10): 548–557. doi:10.1016/j.tree.2007.09.003.

[Retallack1996-3] Retallack GJ Veevers JJ & Morante R (1996). «Global coal gap between Permian–Triassic extinctions and middle Triassic recovery of peat forming plants». GSA Bulletin 108 (2): 195–207. Henta 23. august 2008.

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