HÄNTZSCHEL, Walter. Part W, Miscellanea, Ch. 4, p. 177-249. Treatise on Invertebrate Paleontology, [S. l.], 1962. DOI: 10.17161/tip.v0i0.5418. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5418. Acesso em: 2 apr. 2025.