This Chengjiang fossil is a bivalve arthropod of the species Tuzoia tylodesa. The exact systematic position of the genus Tuzoia is not certain.
This specimen offers a plastic and detailed preservation. Das fossil itself measures about 19 x 16 mm.

Location:

Chengjiang, eastern Yunnan Province, South China

Size Matrix:

about 61 x 50 mm

Age:

Lower Cambrian, Heilinpu Fm., Yu'anshan Member, (about. 522 Mill. y.o.)