Representative wormworld body (A–C) and trace (D–F) fossils. (A–C) Tubular representatives from the Gaojiashan Lagerstätte, China; (D) surficial traces with micropustular elephant skin-like textures, Blueflower Formation, Canada (courtesy of C. Carbone); (E) surficial traces, Ediacara Member, Rawnsley Quartzite, South Australia (courtesy of L. Buatois); (F) complex undermat traces, Dengying Formation, China (courtesy of M. Meyer).