Sawin RS, West RR. Paleoecology of the Permian (Wolfcampian) Phylloid Alga Calcipatera from an In Situ Occurrence in Kansas, U.S.A. CRES [Internet]. 2005 Feb. 18 [cited 2024 Nov. 21];(251):1-14. Available from: https://journals.ku.edu/cres/article/view/11835