ROWELL, A. J. Part H, Brachiopoda, vol. 1 & 2, ch. 3, p. 256-361. Treatise on Invertebrate Paleontology, [S. l.], 1965. DOI: 10.17161/dt.v0i0.5545. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5545.. Acesso em: 6 may. 2024.