Pteraspidomorpha - Drepanaspidae
Parent taxon: Heterostraci according to D. S. Jordan 1963
Sister taxa: Amphiaspidiformes, Aporemaspis, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Protaspidae, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Alainaspis, Gunaspis, Yoglinia, Schizosteus, Homaspidella, Strophisterus, Aspidosteus, Seretaspis, Allocryptaspis, Athenaegis, Palaeodus, Clydonaspis, Obliaspis, Pycnaspis, Anatolepsis, Kiangsuaspis, Corveolepis, Grumantaspis, Pilolepsis, Archodus, Irregulariaspis, Karelosteus, Ennosviaspis, Asketaspis, Pionaspis, Dyreaspis, Listraspis, Poriferaspis, Steinaspis
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Drepanaspidae in the database