ROBISON, R. A. Part W, Miscellanea, Supplement 2, Front Matter. Treatise on Invertebrate Paleontology, [S. l.], 1981. DOI: 10.17161/tip.v0i0.5660. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5660. Acesso em: 13 apr. 2025.