Roger, 1863b: 40; Mayr, 1863a: 406; Dalla Torre, 1893: 149; Emery, 1924f: 316; Kempf, 1972b: 94; Bolton, 1995b: 168.
Mayr, 1865: 26 (diagnosis); Emery, 1924f: 316 (diagnosis); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1049 (census); Gronenberg, 1996: 2021 (mandible morphology); Bolton, 1999: 1653 (diagnosis, review of genus, phylogeny); Bolton, 2000: 17 (diagnosis, species synopsis); Azorsa & Sosa-Calvo, 2008: 27 (all species key); Baccaro et al., 2015: 224 (genus in Brazil); Cantone, 2017: 199 (brief male diagnosis); Fernández & Serna, 2019: 851 (Colombia species key).
Extant: 2 valid species
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