Shattuck, 1994: 134; Bolton, 1995b: 311.
Shattuck, 1992c: 134 (diagnosis, review of genus); Shattuck, 1999: 79 (Australia synopsis); Heterick, 2009: 58 (south-western Australia species key); Cantone, 2017: 122 (brief male diagnosis); Heterick, 2021: 54 (Western Australia species key).
Extant: 2 valid species (1 synonym), 3 valid subspecies