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, Psammosteiformes, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Dyreaspis, Poriferaspis, Irregulariaspis, Yoglinia, Homaspidella, Allocryptaspis, Listraspis, Schizosteus, Corveolepis, Steinaspis, Anatolepsis, Gunaspis, Archodus, Seretaspis, Karelosteus, Grumantaspis, Obliaspis, Kiangsuaspis, Pilolepsis, Pycnaspis, Ennosviaspis, Strophisterus, Clydonaspis
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Pteraspidi in the database