†family Protaspididae (jawless fish)
Pteraspidomorpha - Pteraspidiformes - Protaspididae
Parent taxon: Pteraspidoidei according to E. Randle and R. S. Sansom 2017
Sister taxa: Alaeckaspis, Blieckaspis, Djurinaspis, Doryaspidae, Eucyclaspis, Lamiaspis, Larnovaspis, Mylopteraspidella, Oreaspis, Panamintaspis, Parapteraspis, Pirumaspis, Psammosteidae, Pteraspis, Rhinopteraspididae, Unarkaspis
Subtaxa: none
Ecology:
Distribution: