Shattuck, 1994: 38; Bolton, 1995b: 172.
Shattuck, 1992a: 14 (diagnosis); Shattuck, 1992c: 60 (diagnosis, review of genus); Bolton, 1995a: 1049 (census); Shattuck, 1999: 67 (Australia synopsis); Heterick, 2009: 44 (south-western Australia species key); Cantone, 2017: 114 (brief male diagnosis); Heterick, 2021: 38 (Western Australia species key).
Extant: 2 valid species, 2 valid subspecies