Geyman, E.C., Ziman Wu, M. Nadeau, S. Edmonsond, A. Turner, S.J. Purkis, B. Howes, et al. 2022. “The Origin of Carbonate Mud and Implications for Global Climate”. Proceedings of the National Academy of Sciences 119: e2210617119. https://doi.org/10.1073/pnas.2210617119.

Maloof, A.C., C.V. Rose, R. Beach, B.M. Samuels, C.C. Calmet, D.H. Erwin, G. Poirier, N. Yao, and F.J. Simons. (2010) 2010. “Possible Animal-Body Fossils in Pre-Marinoan Limestones from South Australia”. Nature Geoscience 3: 653–659. https://doi.org/10.1038/ngeo934.