Dalla Torre, 1893: 78; Emery, 1922c: 188; Ettershank, 1966: 111; Kempf, 1972b: 18; Brandão, 1991: 324 (catalogue); Bolton, 1995b: 61.
Emery, 1922c: 188 (diagnosis); Ettershank, 1966: 111 (diagnosis, review of genus); Bolton, 1987: 282 (review of genus); Bolton, 1995a: 1047 (census); Fernández, 2007a: 163 (all species revision, key); Baccaro et al., 2015: 208 (genus in Brazil); Cantone, 2017: 185 (brief male diagnosis); Fernández & Serna, 2019: 834 (Colombia species).
Extant: 8 valid species, 0 valid subspecies (3 synonyms, 1 obsolete combination)