Dalla Torre, 1893: 43; Emery, 1901b: 44; Emery, 1911e: 87; Kempf, 1972b: 37; Brandão, 1991: 330; Bolton, 1995b: 80; Schmidt & Shattuck, 2014: 140 (species checklist).
Emery, 1901b: 41; Emery, 1911e: 87 (diagnosis); Wheeler, 1935d: 9 (all species key); Baroni Urbani, 1975b: 298 (all species key); Bolton, 1995a: 1048 (census); Bolton, 2003: 160 (synopsis); Fernández, 2008a: 137 (all species key); Schmidt & Shattuck, 2014: 138 (diagnosis, synopsis); Fernández & Guerrero, 2019: 516 (Colombia species key).
Extant: 2 valid species (8 obsolete combinations), 0 valid subspecies (3 obsolete combinations)