Plagiognathops Berg [L. S.] 1907:419 Masc. Plagiognathus jelskii Dybowski 1872. Type by being a replacement name. Replacement for Plagiognathus Dybowski 1872, preoccupied by Plagiognathus Fieber 1858 in Hemiptera. •Synonym of Xenocypris Günther 1868 -- (Liu & He in Chen et al. 1998:211 [ref. 23878]). •Valid as Plagiognathops Berg 1907 -- (Yang 1964:127 [ref. 13500], Howes 1981:45 [ref. 14200] with wrong type, Li 1986:480 [ref. 6154], Bogutskaya & Naseka 1996:28 [ref. 22798], Bogutskaya 1998:77 [ref. 23589], Bogutskaya & Naseka 2004:100 [ref. 28183], Zhao et al. 2009:43 [ref. 30545] in Xenocyprininae, Kottelat 2013:142 [ref. 32989], Tang et al. 2013:101 [ref. 33447] in Oxygastrinae). Current status: Valid as Plagiognathops Berg 1907. Xenocyprididae.