Bolton, 1995b: 80; Fisher & Bolton, 2016: 211 (checklist).
Bolton, 1981b: 255 (all species key); Bolton, 1995a: 1048 (census); Fernández, 2003b: 34 (diagnosis, all species revision, key); Fisher & Bolton, 2016: 210 (diagnosis).
Extant: 3 valid species
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