Alekseev, V.I. and Bukejs, A. 2017.

First fossil representatives of Pharaxonothinae Crowson (Coleoptera: Erotylidae): indirect evidence for cycads existence in Baltic amber forest

. Zootaxa. 4337, 3 (Oct. 2017), 413–422. DOI:https://doi.org/10.11646/zootaxa.4337.3.6.