DE LAUBENFELS, M. W. Part E, Archaeocyatha, Ch.3, p. 66-110. Treatise on Invertebrate Paleontology, [S. l.], 1955. DOI: 10.17161/tip.v0i0.5127. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5127.. Acesso em: 4 oct. 2024.