Before trilobite legs: Pygmaclypeatus daziensis reconsidered and the ancestral appendicular organization of Cambrian artiopods
M. Schmidt, X. Hou, D. Zhai, H. Mai, J. Belojevic, X. Chen, R. R. Melzer, J. Ortega-Hernandez, Y. Liu
This paper uses micro-CT to study the appendage structure of Pygmaclypeatus daziensis, revealing its heteronomy and suggesting an ancestral exopodite morphology in Artiopoda.
bioRxiv · Aug 18, 2021Paleontology