Monocentris Bloch [M. E.] & Schneider [J. G.] 1801:100 Fem. Monocentris carinata Bloch & Schneider 1801 (= Gasterosteus japonicus Houttuyn 1782). Type by monotypy. Misspelled Monocentrus by authors. •Valid as Monocentris Bloch & Schneider 1801 -- (Shimizu in Masuda et al. 1984:109 [ref. 6441], Smith 1986:413 [ref. 5712], Paxton et al. 1989:364 [ref. 12442], Kotlyar 1996:199 [ref. 23292], Paxton 1999:2214 [ref. 24788], Paxton et al. 2006:766 [ref. 28994], Roberts 2015:1008 [ref. 34256], Fricke et al. 2018:110 [ref. 35805], Golani & Fricke 2018:44 [ref. 36273], Su et al. 2022:183 [ref. 39633]). Current status: Valid as Monocentris Bloch & Schneider 1801. Monocentridae.