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Permian-Triassic Extinctions and Rediversifications
2015Ammonoids were a major component of Permian marine faunas, but were on the verge of extinction during the Permian-Triassic crisis ~ 252 myr ago. Despite the severity of this extinction, their recovery was explosive in less than 1.5 myr. By Smithian time, they had already reached levels of taxonomic richness much higher than those of the Permian.
Brayard, Arnaud, Bucher, Hugo
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Science, 1997
The Random Samples item “Permian pollen eaters” ([16 May, p. 1035][1]) provides a stimulating account of the discovery by Russian paleobiologists Alexander Rasnitsyn and Valentin Krassilov of identifiable pollen in the guts of Early Permian insects. Paleobotanist William Chaloner is quoted as saying that inadvertent consumption of pollen could explain ...
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The Random Samples item “Permian pollen eaters” ([16 May, p. 1035][1]) provides a stimulating account of the discovery by Russian paleobiologists Alexander Rasnitsyn and Valentin Krassilov of identifiable pollen in the guts of Early Permian insects. Paleobotanist William Chaloner is quoted as saying that inadvertent consumption of pollen could explain ...
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Upper Permian Sediments in Southeastern Permian Basin, Texas
1968Throughout most of late Permian time the southeastern Permian Basin was part of a shallow barred lagoon located in an area of high evaporation and low rainfall. Refluxion to the open sea farther west was slowed by the intervening Capitan barrier reef during Guadalupian time, but free surface influxion of sea water occurred.
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The Climatic Geography of the Permian [PDF]
Geografiska Annaler, 1958 N. D. Opdyke +2 more
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