Carlson SJ, Jia-Yu R, Boucot AJ, Blodgett RB. Part H, Brachiopoda (Revised), vol. 4, ch. 1, p. 921–1026. InvertebratePaleo [Internet]. 2002 Jan. 1 [cited 2024 May 7];. Available from: https://journals.ku.edu/InvertebratePaleo/article/view/5562