Vocabulary : Pteridologist to Pteroglossal

Pteridologist : One who is versed in pteridology.
Pteridology : That department of botany which treats of ferns.
Pteridomania : A madness, craze, or strong fancy, for ferns.
Pteridophyta : A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia.
Pterobranchia : An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura.

Pteroceras : A genus of large marine gastropods having the outer border of the lip divided into lobes; -- called also scorpion shell.
Pterocletes : A division of birds including the sand grouse. They are in some respects intermediate between the pigeons and true grouse. Called also Pteroclomorphae.
Pterodactyl : An extinct flying reptile; one of the Pterosauria. See Illustration in Appendix.
Pterodactyli : Same as Pterosauria.
Pteroglossal : Having the tongue finely notched along the sides, so as to have a featherlike appearance, as the toucans.

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