Pygmaclypeatus with exoskeleton removed

3D Model

Tomographic model of non-biomineralized artiopod Pygmaclypeatus daziensis from early Cambrian (Stage 3) Chengjiang. The dorsal exoskeleton has been digitally removed tho show the organization of the trunk exopods. Specimen YKLP_11428.

Schmidt, M., Hou, X.G., Belojevic, J., Zhai, D., Mai, J., Melzer, R.R., Ortega-Hernández, J., and Liu, Y. 2021. Before trilobite legs: Pygmaclypeatus daziensis reconsidered and the ancestral appendicular organization of Cambrian artiopods. Philosophical Transactions of the Royal Society B