WILLIAMS, Alwyn; POPOV, L. E.; HOLMER, L. E.; CARLSON, S. J.; LAURIE, J. R. Part H, Brachiopoda (Revised), vol. 2 & 3, ch. 1, p. 1–157. Treatise on Invertebrate Paleontology, [S. l.], 2000. DOI: 10.17161/dt.v0i0.5206. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5206. Acesso em: 30 mar. 2025.