Full reference: O. Jaekel. 1911. Die Wirbeltiere. Eine Übersicht über die Fossilen und Lebenden Formen [The Vertebrates. An Overview of the Fossil and Living Forms] viii-252
Parent taxon: Heterostraci according to O. Jaekel 1911
Sister taxa: Amphiaspidiformes, Aporemaspis, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Psammolepis, Psammosteiformes, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Homaspidella, Corveolepis, Athenaegis, Yoglinia, Karelosteus, Clydonaspis, Obliaspis, Pilolepsis, Irregulariaspis, Poriferaspis, Archodus, Kiangsuaspis, Steinaspis, Asketaspis, Alainaspis, Anatolepsis, Listraspis, Ennosviaspis, Pionaspis, Grumantaspis, Gunaspis, Dyreaspis, Seretaspis, Pycnaspis, Strophisterus, Allocryptaspis, Schizosteus
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Pteraspidi in the database