Adrain, J.M. & Pérez-Peris, F. (2021)

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

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