Order Plectospondyli Cope 1872 (ray-finned fish)
Parent taxon: Actinopteri according to O. P. Hay 1902
Sister taxa: Anaglyphus, Angatubichthys, Bethesdaichthys, Blourugia, Docopteri, Frederichthys, Kompasia, Lanarkichthys, Limnomis, Lysopteri, Melanecta, Merospondyli, Mesichthyes, Moythomasia, Neopterygii, Phthinobranchii, Pseudohaplolepis, Tarrasiidae, Westlepis, Woodichthys
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Plectospondyli in the database