Sobral, R.; de Morais, J. W.; Grossi, P. C.

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 2019, 4695, 159–167.