HILL, Dorothy. Part F, Coelenterata, Supplement 1, vol. 1 & 2, ch. 1, p. 1-94. Treatise on Invertebrate Paleontology, [S. l.], 1981. DOI: 10.17161/dt.v0i0.5495. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5495.. Acesso em: 4 may. 2024.