Geology. The last period of the Palaeozoic era, following the Carboniferous and preceding the Triassic, in which amphibians and mammal-like reptiles…
| 单词 | θ5380 |
| 释义 | the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > primary or Palaeozoic > Permian (6) Permian1847 Geology. The last period of the Palaeozoic era, following the Carboniferous and preceding the Triassic, in which amphibians and mammal-like reptiles… Dyas1876 A name for the Permian system. Permic1899 Geology. = Permian, n. 2. Now rare. Subcategories:— specific (3) |
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