TY - RPRT TI - Before trilobite legs: Pygmaclypeatus daziensis reconsidered and the ancestral appendicular organization of Cambrian artiopods AU - Schmidt, M. AU - Hou, X. AU - Zhai, D. AU - Mai, H. AU - Belojevic, J. AU - Chen, X. AU - Melzer, R. R. AU - Ortega-Hernandez, J. AU - Liu, Y. PY - 2021 DO - 10.1101/2021.08.18.456779 UR - https://www.biorxiv.org/content/10.1101/2021.08.18.456779v1 ID - 10.1101/2021.08.18.456779 ER -