Beautiful death plate from the Silurian Waldron Shale with several Calymene trilobites. The larger trilobite measures 31 mm or 1.2"

Calymene niagarensis

Silurian (433 - 427 mil y)

Waldron Shale, Waldron, Indiana, USA

70 x 70 mm - 2.8" x 2.8"

Very good