Carter JL, Gourvennec R, Johnson JG, Hong-Fei H. Part H, Brachiopoda (Revised), vol. 5, ch. 1, p. 1689–1768. InvertebratePaleo [Internet]. 2006 Jan. 1 [cited 2024 Nov. 21];. Available from: https://journals.ku.edu/InvertebratePaleo/article/view/5573