This is a nice trilobite of the species Aphelaspis westropi from the upper cambrian of Cranbrook in British Columbia. This trilobite is often labeled as Labiostria westropi. But Labiostria PALMER, 1955 is in Jell & Adrain 2002 listed as synonym of Aphelaspis, fide PALMER, 1965.
|Tanglefoot Creek near Cranbrook, British Columbia, Kanada British Columbia, Canada|
|Size trilobite:||about 11 mm long|
|Age:||Upper Cambrian, McKay group , (about. 518 Mill. y.o.)|