guayoensis, Deltatylosurus Martín Salazar [F. J.] 1954:5, Fig. [Contribuciones ocasionales del Museo de Historia Natural La Salle, Caracas Serie Zoológica No. 14; ref. 2897] Channel of the Orinoco River, near Misíon de Guayo, Estado Delta Amacuro, Venezuela. Holotype (unique): MHNLS 9923. Type catalog: Lasso et al. 1997:48 [ref. 23639]. •Synonym of Belone microps Günther 1866 -- (Mees 1962:55 [ref. 13277]). •Synonym of Pseudotylosurus microps (Günther 1866) -- (Collette 1974:173 [ref. 7131], Lovejoy & Collette in Reis et al. 2003:587 [ref. 27061], Collette 2003:5 [ref. 27306]). Current status: Synonym of Pseudotylosurus microps (Günther 1866). Belonidae. Habitat: freshwater.