The late Neoproterozoic Doushantuo Formation in South China contains several exceptionally preserved biotas in its cherts, phosphorites, and black shales (Xiao et al., 1998b, 2002; Zhang et al., 1998). The three taphonomic windows—silicification, phosphatization, and carbonaceous compression—responsible for most of the preservation of nonbiomineralizing organisms in geologic history are all open in the Doushantuo Formation. In combination, these three taphonomic windows have the potential to give us a clearer and more complete picture of late Neoproterozoic biodiversity. Comparison across the three also allows us to evaluate possible taphonomic biases and paleoecological heterogeneity. To accomplish these, however,...

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