The Class Progymnospermopsida is further organized into finer groupings including:
- Order (1): Archaeopteridales
- Species: ZipcodeZoo has pages for 27 species, subspecies, varieties, forms, and cultivars in the Class Progymnospermopsida.
At least 14 species and subspecies belong to the Order Archaeopteridales.
More info about the Order Archaeopteridales may be found here.
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