neuropteris

from The Collaborative International Dictionary of English v.0.48

Neuropteris \Neu*rop"te*ris\, prop. n. [NL., fr. Gr. ney^ron a
   nerve + ? a kind of fern.] (Paleon.)
   An extensive genus of fossil ferns, of which species have
   been found from the Devonian to the Triassic formation.
   [1913 Webster]