WELLS, J. W.; MOORE, R. C.; HILL, Dorothy; WELLS, J. W. Part F, Coelenterata, Ch. 3, p. 231-327. Treatise on Invertebrate Paleontology, [S. l.], 1956. DOI: 10.17161/dt.v0i0.5538. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5538. Acesso em: 2 apr. 2025.