WILLIAMS, Alwyn; BASSETT, M. G.; POPOV, L. E.; CARLSON, S. J.; COCKS, L. R. M. Part H, Brachiopoda (Revised), vol. 2 & 3, ch. 2, p. 158–349. Treatise on Invertebrate Paleontology, [S. l.], 2000. DOI: 10.17161/dt.v0i0.5207. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5207. Acesso em: 9 apr. 2025.