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Noun: Pteridospermopsida
  1. Extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
    - class Pteridospermopsida

Type of: class

Part of: class Gymnospermae, division Gymnospermophyta, Gymnospermae, Gymnospermophyta

Nearest

Pteridium aquilinum
Pteridium esculentum
pteridological
pteridologist
pteridology
Pteridophyta
pteridophyte
pteridosperm
Pteridospermae
Pteridospermaphyta
Pteridospermopsida
Pteriidae
pterion
Pteris
Pteris cretica
Pteris multifida
Pteris serrulata
Pternohyla
Pternohyla fodiens
ptero-
Pterocarpus