MOORE, R. C.; WELLS, J. W.; HARRINGTON, H. J.; HILL, Dorothy; BOSCHMA, Hilbrand; HYMAN, Libbie H. Part F, Coelenterata, Ch. 1, p .1-106. Treatise on Invertebrate Paleontology, [S. l.], 1956. DOI: 10.17161/dt.v0i0.5536. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5536.. Acesso em: 1 may. 2024.