ARKELL, W. J.; MOORE, R. C.; MILLER, A. K.; FURNISH, W. M.; SCHINDEWOLF, O. H. Part L, Mollusca 4, ch. 1, p. 1-129. Treatise on Invertebrate Paleontology, [S. l.], 1957. DOI: 10.17161/dt.v0i0.5264. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5264.. Acesso em: 21 may. 2024.