nigroviridis, Tetrodon Marion de Procé [P.-M.] 1822:130 [Bulletin des Sciences, par la Société Philomathique de Paris [Sér. 3] [v. 9] (for 1822); ref. 17601] Deli, near Medan, northeastern Sumatra, Indonesia. Neotype: ZMA 113020. Type catalog: Nijssen et al. 1982:110 [ref. 19236]. Neotype designated by Dekkers 1975:126 [ref. 7417]. Original genus should have been spelled Tetraodon. •Valid as Chelonodon nigroviridis (Marion de Procé 1822) -- (Talwar & Jhingran 1991:1056 [ref. 20764], Rainboth 1996:226 [ref. 22772]). •Valid as Tetraodon nigroviridis Marion de Procé 1822 -- (Dekkers 1975:123 [ref. 7417], Roberts 1989:188 [ref. 6439], Roberts 1993:45 [ref. 21799], Kottelat et al. 1993:174 [ref. 23448], Kottelat & Lim 1996:250 [ref. 23210], Matsuura in Randall & Lim 2000:649 [ref. 25122], Ebert 2001:25 [ref. 25494], Tan & Lim 2004:111 [ref. 27716], Matsuura 2009:337 [ref. 31171]). •Valid as Dichotomyctere nigroviridis (Marion de Procé 1822) -- (Kottelat 2013:475 [ref. 32989], Sulaiman et al. 2018:46 [ref. 35802], Taki et al. 2021:501 [ref. 39830], Jamandre 2023:176 [ref. 40455]). Current status: Valid as Dichotomyctere nigroviridis (Marion de Procé 1822). Tetraodontidae. Distribution: South and Southeast Asia: Sri Lanka east to Indonesia, Borneo, Thailand, Vietnam and Philippines. Habitat: freshwater, brackish.