praelongus, Hassar Myers [G. S.] & Weitzman [S. H.] 1956:2, Fig. 1 [Stanford Ichthyological Bulletin v. 7 (no. 1); ref. 12214] São Gabriel Rapids, Rio Negro, Amazonas, Brazil. Holotype (unique): CAS 148679 [ex CAS-SU 48679]. Type catalog: Ferraris 2007:173 [ref. 29155]. •Valid as Hassar praelongus Myers & Weitzman 1956 -- (Burgess 1989:223 [ref. 12860]). •Valid as Leptodoras praelongus (Myers & Weitzman 1956) -- (Sabaj & Ferraris in Reis et al. 2003:462 [ref. 27061], Sabaj 2005:647 [ref. 28527], Ferraris 2007:173 [ref. 29155], Birindelli et al. 2008:479 [ref. 29858], Birindelli & Sousa 2010:292 [ref. 30833], Birindelli 2014:538[ref. 33501]). Current status: Valid as Leptodoras praelongus (Myers & Weitzman 1956). Doradidae: Doradinae. Distribution: Negro and Orinoco river basins: Brazil and Venezuela. Habitat: freshwater.