ADRAIN, JONATHAN M., and FRANCESC PÉREZ-PERIS. 2021. “Middle Ordovician (Darriwilian) Cheirurid Trilobites from the Table Cove Formation, Western Newfoundland, Canada”. Zootaxa 5041 (1). Auckland, New Zealand:1-73. https://doi.org/10.11646/zootaxa.5041.1.1.