Pteraspidomorpha

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, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Poriferaspis, Steinaspis, Schizosteus, Irregulariaspis, Allocryptaspis, Corveolepis, Homaspidella, Clydonaspis, Obliaspis, Karelosteus, Dyreaspis, Pilolepsis, Yoglinia, Archodus, Kiangsuaspis, Strophisterus, Pycnaspis, Ennosviaspis, Seretaspis, Anatolepsis, Gunaspis, Grumantaspis

Subtaxa: Listraspis canadensis

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Ecology:

Distribution: found only at Loc. R5-61, 2100' of California Standard Company (Devonian of British Columbia)

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Specimen images are retrieved through the ePANDDA API.