Emery, 1924f: 329; Taylor & Brown, 1985: 63; Taylor, 1987a: 26; Bolton, 1995b: 188.
Emery, 1924f: 329 (diagnosis); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1049 (census); Shattuck, 1999: 134 (Australia synopsis); Bolton, 1999: 1678, 1681 (morphology, diagnosis, review of genus, phylogeny); Shattuck, 2000: 53 (diagnosis, all species revision, key); Heterick, 2009: 149 (south-western Australia species key); Heterick, 2021: 168 (Western Australia species key); Pettit & Andersen, 2021: 143 (updated portion of species key).
Extant: 20 valid species (1 synonym, 4 obsolete combinations, 1 unavailable misspelling), 0 valid subspecies (1 obsolete combination)