Permian
/ˈpɝmɪən/
"Permian" in a Sentence (3 examples)
The Permian–Triassic extinction event occurred about 250M years ago.
The Permian mass extinction is the largest biosphere catastrophe in Earth's history.
‘In many ways modern art was a culture of the beach. They say it's the light, the special quality of quartz in the Permian rock.’