Lee, D. E., Dagys, A. S., Smirnova, T. N., & Dong-Li, S. (2006). Part H, Brachiopoda (Revised), vol. 5, ch. 6, p. 2082–2162.
Treatise on Invertebrate Paleontology
.
https://doi.org/10.17161/dt.v0i0.5578