Makarkin, V.N., Archibald, S.B. & Mathewes, R.W. (2021)

New Protosmylinae (Neuroptera: Osmylidae) from the early Eocene of western North America, with taxonomic remarks

. Zootaxa, 4980 (1), 142–156.
https://doi.org/10.11646/zootaxa.4980.1.9