This piece depicts a beautiful and unusual trilobite double of the species Dalmanites limulurus from the Rochester Shale of New York. The two trilobites lie on top of each other. In the case of the lower Dalmanites, parts of the counterpart are molded by gluing. The upper Dalmanites measures about 55 mm in length. | |||
Location: | Middleport, New York, USA | ||
Size trilobite: | about 100 x 106 mm | ||
Age: | Lower Silurian, Rochester shale formation (about. 430 Ma) |