Aze, T., Ezard, T. H. G., Purvis, A., Coxall, H. K., Stewart, D. R. M., Wade, B. S., & Pearson, P. N. (2013). Identifying anagenesis and cladogenesis in the fossil record. National Academy of Sciences.

Aze, Tracy, Thomas H. G. Ezard, Andy Purvis, Helen K. Coxall, Duncan R. M. Stewart, Bridget S. Wade, and Paul N. Pearson. Identifying Anagenesis and Cladogenesis in the Fossil Record. National Academy of Sciences, 2013.

Aze, Tracy, et al. Identifying Anagenesis and Cladogenesis in the Fossil Record. National Academy of Sciences, 2013.