Moore RC, Brooks HK, Glaessner MF, Rolfe WDI, Manning RB, Holthuis LB, et al. Part R, Arthropoda 4, vol. 1 & 2, ch. 4, p. 295-566. InvertebratePaleo [Internet]. 1969 Jan. 1 [cited 2024 Nov. 21];. Available from: https://journals.ku.edu/InvertebratePaleo/article/view/5629