Fossil Plate featuring a Trilobite – Phacops iowensis southworthi

Description

Limestone fossil plate featuring a trilobite cephalon (Phacops iowensis southworthi), with one eye showing good detail of the pupils, while the other is incomplete. The prominent bumps, on the cephalon, depict that this trilobite is a subspecies of Phacops rana. This specimen is from the Devonian Period, Hamilton Formation and was found in Arkona, Ontario.

approx. 6 x 6 x 3.5 cm (2.25 x 2.25 x 1.3 in)

weight: 0.127 kg (4.5 oz)