Pteraspidomorpha - Ariaspididae
Full reference: D. K. Elliott and S. Swift. 2010. A new species of Ariaspis (Agnatha, Heterostraci) from the Late Silurian of the Canadian Arctic. Journal of Vertebrate Paleontology 30(6):1874-1878
Parent taxon: Heterostraci according to R. Van Der Laan 2019
See also Elliott and Swift 2010
Sister taxa: Amphiaspidiformes, Aporemaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Protaspidae, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Thelodontidae, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes
Subtaxa: Ariaspis
Ecology:
Distribution:
• Silurian of Canada (4: Northwest Territories, Nunavut, Yukon collections)
Total: 4 collections including 5 occurrences