Of or relating to the Permian and Triassic systems or periods, or the boundary between them.
| 单词 | θ5418 |
| 释义 | the world > the earth > structure of the earth > age or period > [adjective] > Permo-Triassic (1) Permo-Triassic1876 Of or relating to the Permian and Triassic systems or periods, or the boundary between them. |
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