†Westonaspis Rasetti 1945 (trilobite)
Trilobita - Ptychopariida - Phylacteridae
Parent taxon: Phylacteridae according to P. A. Jell and J. M. Adrain 2003
Sister taxa: Aphelotoxon, Cliffia, Drabia, Phylacterus, Ponumia
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore