TEICHERT, Curt; SWEET, Walter C.; GLENISTER, Brian F.; MOORE, R. C.; KUMMEL, Bernhard. Part K, Mollusca 3, ch. 3, p.127-466. Treatise on Invertebrate Paleontology, [S. l.], 1964. DOI: 10.17161/dt.v0i0.5259. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5259.. Acesso em: 3 may. 2024.