Bambach, Richard K.; Bush, Andrew M.; Erwin, Douglas H. (2007). "Autecology and the filling of ecospace: key metazoan radiations". Palæontology. 50 (1): 1–22. doi:10.1111/j.1475-4983.2006.00611.x. S2CID84142740.
Bambach, Richard K.; Bush, Andrew M.; Erwin, Douglas H. (2007). "Autecology and the filling of ecospace: key metazoan radiations". Palæontology. 50 (1): 1–22. doi:10.1111/j.1475-4983.2006.00611.x. S2CID84142740.