Kazantsev, S. V., & Perkovsky, E. E. (2020).

The first Cacomorphocerus species (Coleoptera, Cantharidae) from Rovno amber: a second species of the genus with 11-segmented antennae

. Zootaxa, 4751(2), 395–400. https://doi.org/10.11646/zootaxa.4751.2.14