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class pteridospermopsida

 
Noun class pteridospermopsida has 1 sense
  1. Pteridospermopsida, class Pteridospermopsida - extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
    --1 is a kind of class
    --1 is a member of
     Gymnospermae, class Gymnospermae, Gymnospermophyta, division Gymnospermophyta
    --1 has members:
     Cycadofilicales, order Cycadofilicales, Lyginopteridales, order Lyginopteridales
class phasmidia class pinopsida class placodermi class plectomycetes class polychaeta class polyplacophora class psilopsida class psilotatae class pteridospermopsida class pyrenomycetes class related words class reptalia class reptilia class rhodophyceae class sarcodina class scaphopoda class schizomycetes

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