1.
Moore RC, Strimple HL. Part T, Echinodermata 2, vol. 1-3, ch. 6, p. 631 - 759. InvertebratePaleo [Internet]. 1978 Jan. 1 [cited 2024 May 2];. Available from: https://journals.ku.edu/InvertebratePaleo/article/view/5647