Webby, Barry D., Willard D. Willenz, B. Senobari-Daryan, Jean Vacelet, Ronald R. West, F. DeBrenne, P. D. Kruse, et al. “Part E, Porifera (Revised), Vol. 5, Complete Volume”. Treatise on Invertebrate Paleontology (January 1, 2015). Accessed December 4, 2024. https://journals.ku.edu/InvertebratePaleo/article/view/5771.