Ecological drivers of the Ediacaran-Cambrian diversification of Metazoa

By Douglas H. Erwin, S. Tweedt. Evolutionary Ecology, 2012

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Biogeomorphic Impacts of Invasive Species (2014, background): “For example, a major diversification of metazoan species occurred around the Ediacaran-Cambrian transition about 542 Ma. Erwin & Tweedt (2012) attribute this to ecological engineering feedbacks, which accelerated dramatically in the Cambrian.”
Proterozoic photosynthesis – a critical review (2015, background): “When it comes to clearing out the Proterozoic oceans, however, the key players would have been early sponge-grade metazoans (Sperling et al. 2007; Erwin and Tweedt 2011; Lenton et al. 2014).”
More on how and why: cause and effect in biology revisited (2013, background): “They are often caused by the cumulative output of multiple individuals, in multiple species (Odling-Smee et al. 2003; Laland and Sterelny 2006; Erwin 2008; Erwin and Tweedt 2012).”
Under niche construction: an operational bridge between ecology, evolution, and ecosystem science (2014, background): “…consistent with adaptive explanations (Turner 2002, Odling-Smee et al. 2003), and the adaptive radiations following the evolution of bioturbators strongly suggest a macroevolutionary response driven by modifications to soils and sediments (Turner 2002, Meysman et al. 2006, Erwin and Tweedt 2011).”