Bolton, 1995b: 424.
Ogata et al., 1995: 32 (review of genus); Cantone, 2017: 179 (brief male diagnosis); Griebenow, 2020: 241 (male-based key); Griebenow et al., 2022: 1125 (worker, male diagnoses).
Extant: 0 valid species (3 obsolete combinations)