ARKELL, W. J.; MOORE, R. C.; MILLER, A. K.; FURNISH, W. M.; SCHINDEWOLF, O. H. Part L, Mollusca 4, ch. 2, p. 129-205. Treatise on Invertebrate Paleontology, [S. l.], 1957. DOI: 10.17161/dt.v0i0.5265. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5265. Acesso em: 2 apr. 2025.