二叠纪：修订间差异

* [[昆虫]]开始多样化，出现了取食[[花粉]]行为<ref>{{Cite journal|title=Pollen in the guts of Permian insects: first evidence of pollinivory and its evolutionary significance|url=http://dx.doi.org/10.1111/j.1502-3931.1996.tb01672.x|last=KRASSILOV|first=VALENTIN A.|last2=RASNITSYN|first2=ALEXANDER P.|date=1996-12|journal=Lethaia|issue=4|doi=10.1111/j.1502-3931.1996.tb01672.x|volume=29|pages=369–372|issn=0024-1164}}</ref>、[[拟态]]现象<ref>{{Cite journal|title=Insect mimicry of plants dates back to the Permian|url=http://www.nature.com/articles/ncomms13735|last=Garrouste|first=Romain|last2=Hugel|first2=Sylvain|date=2016-12|journal=Nature Communications|issue=1|doi=10.1038/ncomms13735|volume=7|pages=13735|language=en|issn=2041-1723|pmc=PMC5187432|pmid=27996977|last3=Jacquelin|first3=Lauriane|last4=Rostan|first4=Pierre|last5=Steyer|first5=J.-Sébastien|last6=Desutter-Grandcolas|first6=Laure|last7=Nel|first7=André|access-date=2020-02-24|||}}</ref>、虫蛀木现象<ref>{{Cite journal|title=Late Permian wood-borings reveal an intricate network of ecological relationships|url=http://www.nature.com/articles/s41467-017-00696-0|last=Feng|first=Zhuo|last2=Wang|first2=Jun|date=2017-12|journal=Nature Communications|issue=1|doi=10.1038/s41467-017-00696-0|volume=8|pages=556|language=en|issn=2041-1723|pmc=PMC5601472|pmid=28916787|last3=Rößler|first3=Ronny|last4=Ślipiński|first4=Adam|last5=Labandeira|first5=Conrad|access-date=2020-02-24|||}}</ref>。