Ortuño, V. M., & Arillo, A. (2009).

Fossil carabids from Baltic amber – I –A new species of the genus Calathus Bonelli, 1810(Coleoptera: Carabidae: Pterostichinae)

. Zootaxa, 2239(1), 55–61. https://doi.org/10.11646/zootaxa.2239.1.5