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