Here is a primitive Cambrian arthropod fossil of the species Isoxys paradoxus from the famous soft-tissue fossil site of Chengjiang. Isoxys is characterised by its bivalved carapace anatomy with its frontal and terminal spin like tips. The Fossil itself is about 18 mm long. | |||
Location: | Chengjiang, eastern Yunnan Province, South China | ||
Size matrix: | about 52 x 39 mm | ||
Age: | Lower Cambrian, Heilinpu Fm., Yu'anshan Member, (about. 522 Mill. y.o.) |