Bolton, 1995b: 369.
Xu, 2002a: 118 (China species key); Xu & Zhang, 2002: 140 (China species key); Borowiec et al., 2011: 10 (diagnosis); Xu, 2012c: 483 (all species key); Eguchi et al., 2014: 22 (diagnosis, Vietnam synopsis); Bharti & Akbar, 2015: 575 (all species key); Man et al., 2017: 8 (all species key); Hsu et al., 2017: 129 (all species key); Baidya & Bagchi, 2020: 22 (all species key); Griebenow, 2020: 241 (male-based key); Richter et al., 2021: 85 (head anatomy); Ito et al., 2022: 13 (spermatheca anatomy, ergatoid queen); Satria et al., 2023: 74 (Asia (all) species key); Griebenow, 2024: 116 (w.q.m.l. diagnoses), 117 (Protanilla rafflesi species group), 118 (Protanilla bicolor, Protanilla taylori species groups), 121 (Protanilla rafflesi species group w.q.m.l. diagnoses), 124 (Protanilla bicolor species group w.q.m. diagnoses), 125 (Protanilla taylori species group w.q. diagnoses), 150 (Protanilla taylori, Protanilla bicolor, Protanilla rafflesi species groups worker-based keys), 161 (Protanilla rafflesi species group male-based key).
Extant: 18 valid species
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