Pteraspidomorpha - Corvaspidida
Parent taxon: Heterostraci according to J. S. Nelson et al. 2016
See also Long 2011
Sister taxa: Amphiaspidiformes, Aporemaspis, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Irregulariaspis, Ennosviaspis, Strophisterus, Grumantaspis, Seretaspis, Homaspidella, Clydonaspis, Anatolepsis, Yoglinia, Schizosteus, Corveolepis, Pilolepsis, Pycnaspis, Archodus, Dyreaspis, Obliaspis, Allocryptaspis, Poriferaspis, Listraspis, Gunaspis, Steinaspis, Kiangsuaspis, Karelosteus
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Corvaspidida in the database