HILL, Dorothy. Part F, Coelenterata, Supplement 1, vol. 1 & 2, ch. 3, p. 289-378. Treatise on Invertebrate Paleontology, [S. l.], 1981. DOI: 10.17161/dt.v0i0.5497. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5497. Acesso em: 9 apr. 2025.