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Archibald, S. B.; Cannings, R. A.; Erickson, R. J.; Bybee, S. M.; Mathewes, R. W.

The Cephalozygoptera, a New, Extinct Suborder of Odonata With New Taxa from the Early Eocene Okanagan Highlands, Western North America

. Zootaxa 2021, 4934, 1–133.