This is a beautiful and large trilobite specimen of the species Dalmanites limulurus from the Rochester shale of New York. The trilobite is presented on a decorative and generously dimensioned matrix. The matrix measures about 140 x 100 mm | |||
Location: | Middleport, New York, USA | ||
Size trilobite: | about 70 mm long | ||
Age: | Lower Silurian, Rochester shale formation (about. 430 Ma) |