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class psilopsida

 
Noun class psilopsida has 1 sense
  1. Psilopsida, class Psilopsida, Psilotatae, class Psilotatae - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
    --1 is a kind of class
    --1 is a member of Pteridophyta, division Pteridophyta
    --1 has members: Psilotales, order Psilotales
class period class phaeophyceae 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

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