Carter, J. L., Racheboeuf, P. R., Gourvennec, R., & Johnson, J. G. (2006). Part H, Brachiopoda (Revised), vol. 5, ch. 3, p. 1848–1929. Treatise on Invertebrate Paleontology. https://doi.org/10.17161/dt.v0i0.5575