Bionychiurus is a genus of the family Onychiuridae, a group of springtails. Genus Bionychiurus was established by Pomoroski in the year 1996,Pomorski RJ (1996) The first instar larvae of Onychiurinae-a systematic study (Collembola: Onychiuridae). Genus. 7(1): 1–102. based on the morphological features of the first instar larvae of Onychiurus normalis. Later, WeinerWeiner WM (1996) Generic revision of Onychiurinae (Collembola: Onychiuridae) with a cladistic analysis. Annals of the Entomological Society of France (NS) 32: 163–200 established a new genus Bangallophorus based on O. normalis; but Pomorski synonymized Bangallophorus with Bionychiurus in 1998.Pomorski RJ (1998) Onychiurinae of Poland (Collembola: Onychiuridae). Genus (Supplement) 1–201
Species The following species are accepted within Bionychiurus:
Bionychiurus changbaiensis Sun & Wu, 2012 Bionychiurus normalis (Gisin, 1949) Bionychiurus oblongatus (Lee & Park, 1986) Bionychiurus orghidani (Gruia, M, 1967) Bionychiurus qinglongensis Sun, X & Wu, D-H, 2014 Bionychiurus tamilensis Thunnisa et al., 2021 Bionychiurus yongyeonensis (Yosii, R, 1966)
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