[1]
Adrain, J.M., Peters, S.E. and Westrop, S.R. 2009. The Marjuman trilobite Cedarina Lochman: thoracic morphology, systematics, and new species from western Utah and eastern Nevada, USA. Zootaxa. 2218, 1 (Sep. 2009), 35–58. DOI:https://doi.org/10.11646/zootaxa.2218.1.2.