作者: Sarda Sahney , Michael J Benton
关键词: Ecology 、 Plateau 、 Geography 、 Trophic level 、 Extinction event 、 Paleontology 、 Ecosystem 、 Permian 、 Lystrosaurus 、 Extinction 、 Biodiversity
摘要: The end-Permian mass extinction, 251 million years (Myr) ago, was the most devastating ecological event of all time, and it was exacerbated by two earlier events at the beginning and end of the Guadalupian, 270 and 260 Myr ago. Ecosystems were destroyed worldwide, communities were restructured and organisms were left struggling to recover. Disaster taxa, such as Lystrosaurus, insinuated themselves into almost every corner of the sparsely populated landscape in the earliest Triassic, and a quick taxonomic recovery apparently …