†phylum Progymnospermophyta Lang 1925

Parent taxon: Embryophyta according to E. Taylor et al. 2008

See also Scheckler 1986

Sister taxa: Acylomurus, Antherocerotophyta, Anthocerotophyta, Concavissimisporites, Coniferophyta, Cycadophyta, Divisisporites, Gigantopteridales, Ginkgophyta, Hermanophytales, Iraniales, Lusatisporis, Lycophyta, Pteridospermophyta, Sphenophyta, Zosterophyllophyta

Subtaxa: Actinoxylon Arctophyton Proteokalon Rellimia

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Distribution:

• Givetian of United States (1: New York collection)

• Devonian of Belgium (2), Czechia (11), Germany (3), United States (8: New York)

Total: 25 collections including 34 occurrences

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