Iridopteridales

Iridopteridales is an order of the extinct cladoxylopsids. It contains the genus Ibyka which is a possible ancestor of the horsetails.^[3]

Iridopteridales Temporal range: Middle Devonian–Upper Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Reconstruction of the external anatomy of the Devonian plant Ibyka amphikoma Skog & Banks, from the original description[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Pteridophyta (?)
Class:	†Cladoxylopsida
Order:	†Iridopteridales
Genera
†Arachnoxylon †Compsocradus †Iridopteris †Metacladophyton †Ibyka †Serripteris †Asteropteris †Anapaulia †Keraphyton[2] †Rotoxylon