Project 4875: Y. Y. Zhen, J. A. Bauer, S. M. Bergström. 2022. Revision of Histiodella labiosa Bauer, 2010, and its inferred phylogeny in the evolution of the Middle Ordovician conodont genus Histiodella Harris, 1962. Journal of Paleontology. 96 (5):1149-1165.