Shattuck, 1994: 135; Bolton, 1995b: 334.
Shattuck, 1992c: 140 (diagnosis, review of genus); Bolton, 1995a: 1051 (census); Shattuck, 1999: 80 (Australia synopsis); Cantone, 2017: 122 (brief male diagnosis).
Extant: 9 valid species, 7 valid subspecies (2 synonyms, 1 unavailable)