Archibald, S.B., Aase, A. and Nel, A. 2021.

The second North American fossil horntail wood-wasp (Hymenoptera: Siricidae), from the early Eocene Green River Formation

. Zootaxa. 4999, 4 (Jul. 2021), 325–334. DOI:https://doi.org/10.11646/zootaxa.4999.4.2.