STENZEL, H. B.; KUMMEL, Bernhard; SWEET, Walter C.; TEICHERT, Curt; FURNISH, W. M. Part K, Mollusca 3, ch. 2, p. 59-127. Treatise on Invertebrate Paleontology, [S. l.], 1964. DOI: 10.17161/dt.v0i0.5258. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5258.. Acesso em: 27 apr. 2024.