Description
Genus / Species: Dalmanites limulurus
Age: Silurian (approximately 425 million)
Formation: Rochester
Location: Lockport, New York, USA
Matrix Dimensions: 4.7″ long x 3.7″ wide x 1.6″ thick
Weight: 1.79 lbs
https://geoclassics.com/product-category/fossils/trilobites-fossils/