RHODES, F. H.T.; MÜLLER, K. J. Part W, Miscellanea, Ch. 2, p. 70-98. Treatise on Invertebrate Paleontology, [S. l.], 1962. DOI: 10.17161/tip.v0i0.5416. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5416.. Acesso em: 27 may. 2024.