Matsumoto, K. (2019) “Description of a new subspecies of Prosopocoilus antilopus (Swederus, 1787) (Coleoptera: Lucanidae) from Annobón Island, Gulf of Guinea”, Zootaxa. Auckland, New Zealand, 4559(3), pp. 581–586. doi: 10.11646/zootaxa.4559.3.10.