Wheeler, 1922: 925; Shattuck, 1994: 90; Bolton, 1995b: 186; Fisher & Bolton, 2016: 273 (checklist).
Shattuck, 1992c: 85 (diagnosis, review of genus); Bolton, 1995a: 1049 (census); Fisher & Bolton, 2016: 273 (diagnosis).
Extant: 1 valid species
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