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Permian period

NOUN
  1. from 280 million to 230 million years ago; reptiles

How To Use Permian period In A Sentence

  • The only known igneous rocks in the area are Permian periodotite and lamprophyre dikes as well as diatremes of ultramafic composition associated with the Fluorite district.
  • The basin rose and became continent since Permian Period.
  • What about the 30-inch dragonflies, six inch cockroaches, and the dimetrodons of the Permian period?
  • The crash in the Permian period 245 million years ago involved the disappearance of between 77 and 96 per cent of all marine animal species. SPIX'S MACAW: THE RACE TO SAVE THE WORLD'S RAREST BIRD
  • The freshwater shark, some 20 inches (50 centimeter) long, dates back to the late Permian period, when the Saar-Nahe Basin in southwest Germany was peppered with short-lived lakes.
  • Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
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