Division Pteridophyta (?) Rank Order | ||
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Similar Cladoxylopsida, Pseudosporochnales, Cladoxylon, Rhacophytales, Pseudosporochnus | ||
Iridopteridales is an order of the extinct cladoxylopsids. It contains the genus Ibyka which is a possible ancestor to horsetails.
References
Iridopteridales Wikipedia(Text) CC BY-SA