The_________ period was a time of major extinctions, including 75 percent of amphibian families.
A)Devonian
B)Pennsylvanian
C)Mississippian
D)Jurassic
E)Permian

Question

Quizplus · Accepted Answer

The Permian period, which occurred approximately 299-251 million years ago, was marked by the most seismically catastrophic event recorded in the fossil record, resulting in the extinction of over 90% of marine species and 75% of amphibian families.

The_________ Period Was a Time of Major Extinctions, Including 75