Suprageneric

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Total: 2

supragenus valid

Class Trimerophytopsida A.S. Foster, Gifford in Bierh. Comp. Morph. Vasc. Pl. ed. 2 106, 110. 15 Jul 1974

supragenus valid

Class Zosterophyllopsida A.S. Foster, Gifford in Bierh. Comp. Morph. Vasc. Pl. ed. 2 106, 110. 15 Jul 1974