Fisher & Bolton, 2016: 307 (checklist).
Bolton & Fisher, 2014: 16 (diagnosis, revision, all species key); Fisher & Bolton, 2016: 307 (diagnosis); Cantone, 2017: 207 (brief male diagnosis); Ramamonjisoa et al., 2024: 336 (Malagasy region male diagnosis).
Extant: 6 valid species