guayoensis, Deltadoras Fernández-Yépez [A.] 1968:37, Fig. 14 [Boletin del Instituto Oceanografico Universidad de Oriente Cumana v. 7 (no. 1); ref. 1325] Caño de Guayo, Delta Amacuro, Estado Delta, Venezuela. Holotype (unique): MBUCV-V-15211 [ex AFY 54818]. Type catalog: Provenzano et al. 1998:7 [ref. 24196], Ferraris 2007:174 [ref. 29155]. •Valid as Deltadoras guayoensis Fernández-Yépez 1968 -- (Burgess 1989:224 [ref. 12860]). •Valid as Megalodoras guayoensis (Fernández-Yépez 1968) -- (Sabaj & Ferraris in Reis et al. 2003:462 [ref. 27061], Ferraris 2007:173 [ref. 29155], Birindelli 2014:536 [ref. 33501], Lasso et al. in Lasso & Morales-Betancourt 2022:156 [ref. 40783]). Current status: Valid as Megalodoras guayoensis (Fernández-Yépez 1968). Doradidae: Doradinae. Distribution: South America: Delta Amacuro, Orinoco River basin (Venezuela). Habitat: freshwater.