ADRAIN, JONATHAN M., and FRANCESC PÉREZ-PERIS. “Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada”. Zootaxa 5041, no. 1 (September 24, 2021): 1–73. Accessed December 9, 2021. https://mapress.com/zt/article/view/zootaxa.5041.1.1.