Webby, B. D., and S. Kershaw. “Treatise Online, No. 25: Part E, Revised, Volume 4, Chapter 9B: External Morphology of the Paleozoic Stromatoporoidea: Shapes and Growth Habits”. Treatise Online (December 22, 2014). Accessed November 24, 2024. https://journals.ku.edu/treatiseonline/article/view/4193.