Allsopp, P.G. and Hudson, P.J. 2019.

Novapus bifidus Carne, 1957, a primary homonym and synonym of Novapus bifidus Lea, 1910 (Coleoptera: Scarabaeidae: Dynastinae)

. Zootaxa. 4560, 3 (Feb. 2019), 576–578. DOI:https://doi.org/10.11646/zootaxa.4560.3.9.