Pteraspidomorpha - Tolypelepidiformes
Parent taxon: Heterostraci according to R. van der Laan 2019
Sister taxa: Amphiaspidiformes, Aporemaspis, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Karelosteus, Anatolepsis, Pycnaspis, Grumantaspis, Strophisterus, Dyreaspis, Pilolepsis, Allocryptaspis, Gunaspis, Obliaspis, Homaspidella, Corveolepis, Steinaspis, Irregulariaspis, Yoglinia, Schizosteus, Poriferaspis, Listraspis, Kiangsuaspis, Ennosviaspis, Seretaspis, Clydonaspis, Archodus
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Tolypelepidiformes in the database