Alekseev, V.I. & Bukejs, A. (2017)

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

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