ARKELL, W. J. Part L, Mollusca 4, References and Index. Treatise on Invertebrate Paleontology, [S. l.], 1957. DOI: 10.17161/dt.v0i0.5268. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5268. Acesso em: 2 apr. 2025.