Figure 5
From: Centimeter-wide worm-like fossils from the lowest Cambrian of South China

(a–c) Vittatusivermis annularius from the lowest Cambrian of the Baideng section, Anning, Yunnan, South China, with transverse annulations specifically emphasized. (a) L1030160, coated with MgO film and illuminated in a low angle light, showing cross annulations. (b) LELE1585, folded lengthwise, showing a folded edge and both sides of the flattened body undifferentiated. (c) the same specimen of b, coated with MgO film and illuminated in a low angle light, showing cross annulations. (d) Wutubus annularis from the late Ediacaran of South China, NIGP159084, image courtesy of Zhe Chen.