Definitions
from The Century Dictionary.
- noun A genus of fossil ferns, very widely distributed and very abundant, especially in the (Carboniferous) coal-measures, but ranging from the Devonian to the Middle Cretaceous.
Etymologies
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Examples
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{84a} The principal families are named sphenopteris, neuropteris, and pecopteris.
Vestiges of the Natural History of Creation Robert Chambers 1836
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