Full reference: R. Denison. 1964. The Cyathaspididae: a family of Silurian and Devonian jawless vertebrates. Fieldiana: Geology 13:309-473
Parent taxon: Pteraspidomorphes according to J. J., Jr. Sepkoski 2002
Sister taxa: Amphiaspidiformes, Aporemaspis, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Protaspidae, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Pycnaspis, Homaspidella, Allocryptaspis, Strophisterus, Obliaspis, Anatolepsis, Seretaspis, Aspidosteus, Dyreaspis, Clydonaspis, Yoglinia, Steinaspis, Karelosteus, Grumantaspis, Ennosviaspis, Irregulariaspis, Pilolepsis, Corveolepis, Gunaspis, Palaeodus, Poriferaspis, Schizosteus, Kiangsuaspis, Asketaspis, Alainaspis, Athenaegis, Archodus, Pionaspis
Subtaxa: Listraspis canadensis
Ecology:
Distribution: found only at Loc. R5-61, 2100' of California Standard Company (Devonian of British Columbia)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.