elongata, Datnia Guichenot [A.] 1866:133 [Mémoires de la Société Impériale des Sciences Naturelles de Cherbourg v. 12 (= Ser. 2, v. 2); ref. 14054] Madagascar. Holotype (unique): MNHN 0000-4170. Type catalog: Bauchot & Desoutter 1987:87 [ref. 12478], Fricke et al. 2018:244 [ref. 35805]. •Valid as Mesopristes elongatus (Guichenot 1866) -- (Vari 1978:276 [ref. 4514], Daget & Smith 1986:304 [ref. 6204], Vari 1992:1 [ref. 19770], Poll & Gosse 1995:117 [ref. 24781], Reinthal & Stiassny 1997:354 [ref. 22780], Yoshino et al. 2002:238 [ref. 26332], Maeda et al. 2011:45 [ref. 32004], Fricke et al. 2018:244 [ref. 35805], Vari 2022:152 [ref. 39751]). Current status: Valid as Mesopristes elongatus (Guichenot 1866). Terapontidae. Distribution: Madagascar endemic. Habitat: freshwater, brackish.