CLARK, David L. Part W, Miscellanea, Supplement 2, Ch.3, p. 111-180. Treatise on Invertebrate Paleontology, [S. l.], 1981. DOI: 10.17161/tip.v0i0.5663. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5663. Acesso em: 9 apr. 2025.