COX, L. R. et al. Part N, Mollusca 6, vol. 2, ch. 5, p. 491–690. Treatise on Invertebrate Paleontology, [S. l.], 1969. DOI: 10.17161/dt.v0i0.5592. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5592. Acesso em: 2 apr. 2025.