Suprageneric

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Total: 4

supragenus valid

Family Rhyniaceae Kidst., W.H. Lang Trans. Roy. Soc. Edinburgh, 52(3 [Art. 24]): 616. 20 Jan 1920

supragenus valid

Class Psilophytopsida Kidst., W.H. Lang Nature, 97(2438): 435. 20 Jul 1916

supragenus valid

Class Nematophytopsida W.H. Lang Philos. Trans., Ser. B, 1937, 227(544): 287, 290. 7 Jun 1937

supragenus valid

Family Asteroxylaceae Kidst., W.H. Lang Trans. Roy. Soc. Edinburgh, 52(3 [Art. 26]): 665, 674. 11 May 1920