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Adrain, J.M. and Pérez-Peris, F. 2021.

Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada

. Zootaxa. 5041, 1 (Sep. 2021), 1–73. DOI:https://doi.org/10.11646/zootaxa.5041.1.1.