Schmidt & Shattuck, 2014: 173 (species checklist); Fisher & Bolton, 2016: 306 (checklist).
Bolton & Brown, 2002: 4 (all species key); Bolton, 2003: 164 (synopsis); Schmidt & Shattuck, 2014: 171 (diagnosis, synoptic description, distribution, ecology and behavior, phylogenetic and taxonomic considerations); Fisher & Bolton, 2016: 305 (diagnosis).
Extant: 9 valid species
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