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Psygmophyllum maiyaense
Psygmophyllum maiyaense Asama (1967)
Extinct species
Classification
kingdom Plantae,
phylum Pteridospermatophyta
, class Peltaspermopsida, order Trichopityales, family Psygmophyllaceae,
genus Psygmophyllum
Distribution
Permian:
Miyagi