1.
Boucot AJ, Pitrat CW, Johnson JG, Staton RD. Part H, Brachiopoda, vol. 1 & 2, ch. 6, p. 632-728. InvertebratePaleo [Internet]. 1965 Jan. 1 [cited 2024 May 6];. Available from: https://journals.ku.edu/InvertebratePaleo/article/view/5548