†phylum Sphenophyta

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

Sister taxa: Angiospermae, Antherocerotophyta, Bryophyta, Coniferophyta, Cycadophyta, Gigantopteridales, Ginkgophyta, Hermanophytales, Iraniales, Lycophyta, Progymnospermophyta, Pteridophyta, Pteridospermophyta, Zosterophyllophyta

Subtaxa: none


• Pennsylvanian of United States (1: Kentucky collection)

• Carboniferous of United States (3: Kentucky)

Total: 4 collections each including a single occurrence

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