†subfamily Boothiaspidinae Elliott 2016 (jawless fish)
Pteraspidomorpha - Cyathaspididae
Full reference: D. K. Elliott. 2016. The Boothiaspidinae, a new agnathan subfamily (Heterostraci, Cyathaspididae) from the late Silurian and Early Devonian of the western United States and the Canadian Arctic. Journal of Paleontology 90(6):1212-1224
Parent taxon: Cyathaspididae according to D. K. Elliott 2016
See also Van Der Laan 2019
Sister taxa: Archegonaspis, Cyathaspis, Dikenaspis, Eoarchegonaspis, Poraspidinae, Ptomaspis, Vernonaspis
Subtaxa: Boothiaspis Phyllonaspis
Ecology:
Distribution: found only at Trail Canyon, Panamint Mountains (Loc. 2 of Elliott and Ilyes 1996) (Devonian of California)