Dalla Torre, 1893: 150; Emery, 1924f: 338; Kempf, 1972b: 229; Bolton, 1995b: 382.
Forel, 1912f: 191 (all species key); Wheeler, 1916c: 10 (all species key); Emery, 1924f: 338 (diagnosis); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1052 (census); Baccaro et al., 2015: 258 (genus in Brazil); Ješovnik & Schultz, 2017a: 32 (all species revision, key); Cantone, 2017: 234 (brief male diagnosis); Fernández & Serna, 2019: 873 (Colombia species key).
Extant: 11 valid species (12 synonyms, 1 unavailable, 4 obsolete combinations), 0 valid subspecies (3 synonyms, 1 obsolete combination)