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Pteridospermatophyta, Seed fern(s)

phylum Pteridospermatophyta

• Extinct species

• Classification
• kingdom Plantae

• Distribution
• Permian: Miyagi, Gifu
• Triassic: Okayama
• Cretaceous: Ibaraki

• Subtaxa
• Adiantites oaraiensis
• Cathaysiopteris, genus
• Odontopteris, genus
• Psygmophyllum, genus
• Sagenopteris nariwaensis
• Taeniopteris, genus