Pteraspidomorpha - Cyathaspidiformes - Cyathaspididae
Parent taxon: Cyathaspididae according to L. Sallan et al. 2018
See also Blieck et al. 2002 and Denison 1963
Sister taxa: Alainaspis, Anglaspidinae, Archegonaspis, Boothiaspidinae, Cyathaspidinae, Cyathaspis, Dikenaspis, Eoarchegonaspis, Faberaspis, Irregulareaspidinae, Pionaspis, Poraspidinae, Ptomaspis, Sanidaspis, Tolypelepidinae, Vernonaspis
Subtaxa: Homalaspidella borealis Homalaspidella nitida
Ecology:
Distribution:
• Devonian of Norway (5 collections), the Russian Federation (1)
• Silurian to Devonian of Canada (1: Northwest Territories)
• Silurian of Canada (2: Northwest Territories, Yukon)
Total: 9 collections including 10 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.