This is a Chengjiang fossil of a bivalve arthropod of the species Isoxys auratus. The species Isoxys auratus is a quite common faunal element of the Chengjiang biota. The fossil itself is about 16 mm long. | |||
Location: | Chengjiang, eastern Yunnan Province, South China | ||
Size Matrix: | about 50 x 46 mm long | ||
Age: | Lower Cambrian, Heilinpu Fm., Yu'anshan Member, (about. 522 Mill. y.o.) |