STENZEL, H. B.; COX, L. R. Part N, Mollusca 6, vol 3, ch. 2, p. 1028-1082. Treatise on Invertebrate Paleontology, [S. l.], 1971. DOI: 10.17161/dt.v0i0.5599. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5599. Acesso em: 9 apr. 2025.