Reports

Seed from the Upper Devonian

Science  30 Jun 1967:
Vol. 156, Issue 3783, pp. 1727-1729
DOI: 10.1126/science.156.3783.1727

Abstract

We present evidence proving the existence of seeds in the Upper Devonian and extending the known age of seed plants from the Lower Carboniferous (Mississippian) into the Upper Devonian.

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