Cox, L. R., T. Soot-Ryen, C. C. Brasnson, H. B. Stenzel, Aurèle LaRocque, A. Myra Keen, H. S. Puri, et al. “Part N, Mollusca 6, Vol. 1 & 2, Reference and Index”. Treatise on Invertebrate Paleontology (January 1, 1969). Accessed March 15, 2025. https://journals.ku.edu/InvertebratePaleo/article/view/22242.