MOORE, Raymond C. et al. Part S, Echinodermata 1, vol. 1 & 2 , Complete Volume. Treatise on Invertebrate Paleontology, [S. l.], 1968. DOI: 10.17161/dt.v0i0.5640. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5640.. Acesso em: 24 nov. 2024.