On Permian and Triassic insect faunas in relation to biogeography and the Permian-Triassic crisis |
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Authors: | Shcherbakov D E |
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Institution: | (1) Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997, Russia |
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Abstract: | The taxonomic diversity dynamics of pterygote insects in the Permian and Triassic at the family/age level are considered. Different metrics of taxonomic diversity are compared. Biogeographic and taphonomic aspects of changes in the composition of insect faunas in the Permian and about the P-T transition are discussed. Some changes in the Permian insect faunas are of a biogeographic nature and do not indicate global changes in diversity. Insects with aquatic immatures were rather common in the Permian and Early Triassic, but these immatures are well represented in only few localities. |
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Keywords: | Permian Triassic insect faunas biogeography Permian-Triassic crisis |
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