Adrain, Jonathan M., Shanan E. Peters, and Stephen R. Westrop. “The Marjuman Trilobite Cedarina Lochman: Thoracic Morphology, Systematics, and New Species from Western Utah and Eastern Nevada, USA”. Zootaxa 2218, no. 1 (September 2, 2009): 35–58. Accessed April 3, 2025. https://mapress.com/zt/article/view/zootaxa.2218.1.2.