Beetle - 貝殻化石 - Coronocephalus - 9 cm - 6 cm (No reserve price)

A set of four natural Coronocephalus trilobites on their original shale matrix from the Silurian period of China, each specimen displaying the characteristic fan-shaped body, clear axial lobe and ribbed segmentation, with sizes from about 4.5×4.5 cm to 9×6 cm and overall dimensions approximately 9 cm high, 6 cm wide, and 3 cm deep; authenticity original and condition natural.