Late Ediacaran trackways produced by bilaterian animals with paired appendages Chen, Zhe ; Chen, Xiang ; Zhou, Chuanming ; Yuan, Xunlai ; Xiao, Shuhai Abstract Not Available Publication: Science Advances Pub Date: June 2018 DOI: 10.1126/sciadv.aao6691 Bibcode: 2018SciA....4.6691C