Taxon - Odkazy a literatura
RAFAEL SOBRAL, JOSÉ W. DE MORAIS, PASCHOAL C. GROSSI (2019): A new species of Colacus Ohaus, 1910 (Coleoptera: Scarabaeidae: Dynastinae) from the Mata Seca biotope of Brazil, and notes on Colacus morio Ohaus, 1910, Zootaxa Vol 4695, No 2: 159–167 [jako Colacus rubrofemoratus Sobral, Morais & Grossi, 2019]