COX, L. R. et al. Part N, Mollusca 6, vol. 2, ch. 6, p. 690–868. Treatise on Invertebrate Paleontology, [S. l.], 1969. DOI: 10.17161/dt.v0i0.5593. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5593.. Acesso em: 11 oct. 2024.