Here is a nice example of this classical trilobite from Canada. There is also a isolated cephalon of a Triarthrus sp on the plate. | |||
Location: | Kirkfield Quarry, Kirkfield, Ontario, Canada | ||
Size trilobite: | about 48 mm long | ||
Age: | OrdovicianLlandeilo , Verulam Formation (ca. 460 Mill. Years) |