1.
Howarth MK. Treatise Online no. 84: Part L, Revised, Volume 3B, Chapter 6: Systematic Descriptions of the Stephanoceratoidea and Spiroceratoidea. TREON [Internet]. 2017 Feb. 15 [cited 2024 May 4];. Available from: https://journals.ku.edu/treatiseonline/article/view/6521