AMSDEN, T. W. Part H, Brachiopoda, vol. 1 & 2, ch. 5, p. 522-632. Treatise on Invertebrate Paleontology, [S. l.], 1965. DOI: 10.17161/dt.v0i0.5547. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5547.. Acesso em: 27 apr. 2024.