Salamon, Mariusz A., Bruno Ferré, and Przemysław Gorzelak. “Treatise Online No. 125: Part T, Revised, Volume 1, Chapter 20: Biostratigraphic Value of Mesozoic Crinoids”. Treatise Online (March 19, 2019). Accessed November 26, 2024. https://journals.ku.edu/treatiseonline/article/view/11945.