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, Grumantaspis, Archodus, Listraspis, Kiangsuaspis, Homaspidella, Clydonaspis, Yoglinia, Pilolepsis, Obliaspis, Ennosviaspis, Karelosteus, Seretaspis, Allocryptaspis, Pycnaspis, Schizosteus, Corveolepis, Gunaspis, Irregulariaspis, Steinaspis, Anatolepsis, Poriferaspis, Dyreaspis, Strophisterus
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Pteraspidi in the database