†phylum Cladoxylophyta Doweld 2001
Full reference: A. B. Doweld. 2001. Prosyllabus Tracheophytorum. Tentamen Systematis Plantarum Vascularium.
Parent taxon: Pteridophytanae according to A. B. Doweld 2001
Sister taxa: Botryopteridiophyta, Equisetophyta, Marattiophyta, Ophioglossophyta, Sphenophyllophyta
Subtaxa: Asteropteris
Distribution: found only at Cazenovia Creek Springbrook (Devonian of New York)