Savage, N. M., E. F. Owen, M. O. Manceñido, and A. S. Dagys. “Part H, Brachiopoda (Revised), Vol. 4, Ch. 3, P. 1132–1218”. Treatise on Invertebrate Paleontology (January 1, 2002). Accessed November 21, 2024. https://journals.ku.edu/InvertebratePaleo/article/view/5564.