HILL, Dorothy. Part E, Archaeocyatha (Revised), vol. 1, Complete Volume.
Treatise on Invertebrate Paleontology,
[S. l.], 1972. DOI:
10.17161/dt.v0i0.5508. DisponÃvel em:
https://journals.ku.edu/InvertebratePaleo/article/view/5508. Acesso em: 2 apr. 2025.