WRIGHT, C. W.; CALLOMAN, J. H. Part L, Mollusca 4 (Revised), vol. 4, Ch. 4, p. 206-258. Treatise on Invertebrate Paleontology, [S. l.], 1996. DOI: 10.17161/dt.v0i0.5282. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5282. Acesso em: 2 apr. 2025.