Sun, Y. D., Wignall, P. B., Joachimski, M. M., Bond, D. P. G., Grasby, S. E., Sun, S., …Lai, X. L. (2015). High amplitude redox changes in the late Early Triassic of South China and the Smithian-Spathian extinction. Palaeogeography, palaeoclimatology, palaeoecology, 427(June), 62-78. https://doi.org/10.1016/j.palaeo.2015.03.038