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