What caused the late Permian mass extinction?
New research from the University of Washington and Stanford University combines models of ocean conditions and animal metabolism with published lab data and paleoceanographic records to show that the Permian mass extinction in the oceans was caused by global warming that left animals unable to breathe.
What happened in the late Permian period?
The Permian ended with the most extensive extinction event recorded in paleontology: the Permian–Triassic extinction event. Ninety to 95% of marine species became extinct, as well as 70% of all land organisms. It is also the only known mass extinction of insects.
What does the name Permian mean?
Definition of Permian : of, relating to, or being the last period of the Paleozoic era or the corresponding system of rocks — see Geologic Time Table.
Why is it called the Permian period?
The Permian Period derives its name from the Russian region of Perm, where rocks deposited during this time are particularly well developed.
What species went extinct in the Permian extinction?
Shallow warm-water marine invertebrates, which included the trilobites, rugose and tabulate corals, and two large groups of echinoderms (blastoids and crinoids), show the most-protracted and greatest losses during the Permian extinction.
What are some major events that happened during the Permian Period?
During the Permian Period, Earth’s crustal plates formed a single, massive continent called Pangaea. In the correspondingly large ocean, Panthalassa, marine organisms such as brachiopods, gastropods, cephalopods (nautiloids and ammonoids), and crinoids were present. On land, reptiles replaced amphibians in abundance.
What went extinct in the Permian period?
What is another name for the Permian period?
The Permian Period was the final period of the Paleozoic Era. Lasting from 298.9 million to 251.9 million years ago, it followed the Carboniferous Period and preceded the Triassic Period.
How do you pronounce the Permian period?
permian period Pronunciation. per·mi·an pe·ri·od.