Carter, J. L., Hou Hong-Fei, J. G. Johnson, and Rémy Gourvennec. 2006. “Part H, Brachiopoda (Revised), Vol. 5, Ch. 2, P. 1769–1847”. Treatise on Invertebrate Paleontology, January. https://doi.org/10.17161/dt.v0i0.5574.