Fig. (3) Nano-scale fossils found in the black shales of the Ediacaran Doushantuo Formation in the Jijiawan section, Hubei, China.A, B nano-scale oblate body with minute holes around its margin, B is a magnification of part of A to show detail of minute holes. C nano-scale oblate body with no obvious ornamentation. D, E, F jar-like bodies ornamented with ridge-like protuberances.