HANTZSCHEL, Walter. Part W, Miscellanea, Supplement 1, Ch. 3, p. 122 - 191. Treatise on Invertebrate Paleontology, [S. l.], 1975. DOI: 10.17161/tip.v0i0.5424. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5424. Acesso em: 9 apr. 2025.