Suprageneric

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Total: 175

supragenus valid

Class Urnatopteridopsida Doweld Prosyllabus Tracheoph. viii. 28 Dec 2001

supragenus valid

Class Voltziopsida Doweld Prosyllabus Tracheoph. xviii. 28 Dec 2001

supragenus valid

Family Widdringtoniaceae Doweld Prosyllabus Tracheoph. xx. 28 Dec 2001

non-fossil supragenus valid

Subclass Zamiidae Doweld Prosyllabus Tracheoph. xv. 28 Dec 2001

non-fossil supragenus valid

Order Zygophyllales Reveal, Doweld Novon, 9(4): 552. 30 Dec 1999

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