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Sorry, I should have been more precise but it doesn't change the thrust of my argument. Glossopteris extended into the Permian, ~298 - 250 MYA, and some of its
by hilbert42 4y ago
Sorry, I should have been more precise but it doesn't change the thrust of my argument.
Glossopteris extended into the Permian, ~298 - 250 MYA, and some of its coal deposits are referred to as 'Permian coals'.