Emery, 1924f: 343; Kempf, 1972b: 145; Brandão, 1991: 357; Bolton, 1995b: 268.
Santschi, 1922c: 357 (species key); Emery, 1924f: 343 (diagnosis); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1050 (census); Klingenberg & Brandão, 2009: 5, 7 (genus key, diagnosis, all species key); Cardoso et al., 2014: 378 (phylogeny); Baccaro et al., 2015: 238 (genus in Brazil); Sosa-Calvo et al., 2017 (phylogeny, genus redefinition); Cantone, 2017: 214 (brief male diagnosis); Fernández & Serna, 2019: 859 (Colombia species).
Extant: 21 valid species (3 synonyms, 7 obsolete combinations), 0 valid subspecies (3 synonyms, 4 obsolete combinations)