Pteraspidomorpha - Cyathaspidiformes - Cyathaspididae
Full reference: R. H. Denison. 1963. New Silurian Heterostraci from Southeastern Yukon. Fieldiana Geology 14(7):105-141
Parent taxon: Cyathaspidae according to R. H. Denison 1963
See also Sepkoski 2002
Sister taxa: Alainaspis, Anglaspidinae, Archegonaspis, Boothiaspidinae, Cyathaspidinae, Cyathaspis, Dikenaspis, Eoarchegonaspis, Faberaspis, Homalaspidella, Irregulareaspidinae, Pionaspis, Poraspidinae, Sanidaspis, Tolypelepidinae, Vernonaspis
Subtaxa: Ptomaspis canadensis
Type: Ptomaspis canadensis
Ecology: planktonic suspension feeder
Distribution:
• Silurian of Canada (2: Northwest Territories, Yukon collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.