Species that contain: Pseudotylosurus and microps [ 4 ] records

amazonica, Belone Steindachner [F.] 1875:94 [66] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 72 (1. Abth.); ref. 4223] Tajapuru, Amazon River, Brazil. Lectotype: NMW 12926. Paralectotypes: not located. On p. 66 of separate. Lectotype selected by Collette 1974:178 [ref. 7131]. •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.

angusticeps, Belone Günther [A.] 1866:238 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Coast of Ecuador. Holotype (unique): BMNH 1860.6.16.181. •Synonym of Belone microps Günther 1866, but a valid subspecies -- (Mees 1962:56 [ref. 13277]). •Valid as Pseudotylosurus angusticeps (Günther 1866) -- (Collette 1974:180 [ref. 7131], Ortega & Vari 1986:18 [ref. 9708], Gómez & Chebez 1996:67 [ref. 23791], Britski et al. 1999:141 [ref. 24147], Lovejoy & de Araújo 2000:261 [ref. 31786], Lovejoy & Collette 2001:329 [ref. 25232], Lovejoy & Collette in Reis et al. 2003:587 [ref. 27061], Collette 2003:5 [ref. 27306], López et al. 2003:72 [ref. 27366], Menezes & Figueiredo in Menezes et al. 2003:67 [ref. 27192], Menni 2004:85 [ref. 28131], Barriga Salazar 2014:117 [ref. 35745], Sarmiento et al. 2014:32, 183 [ref. 35004], Mirande & Koerber 2015:54 [ref. 35117], Koerber et al. 2017:74 [ref. 35267], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Pseudotylosurus angusticeps (Günther 1866). Belonidae. Distribution: South America: upper Amazon and Paraguay-Paraná River basins (Argentina, Paraguay, Bolivia, Ecuador and Peru). Two records from lower Amazon. Habitat: freshwater.

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.

microps, Belone Günther [A.] 1866:237 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Suriname. Lectotype: BMNH 1845.6.22.104. Paralectotypes: BMNH 1845.5.3.5 (1). Lectotype selected by Collette 1974:178 [ref. 7131]. •Valid as Belone microps Günther 1866 -- (Mees 1962:53 [ref. 13277]). •Valid as Pseudotylosurus microps (Günther 1866) -- (Collette 1974:173 [ref. 7131], Ortega & Vari 1986:18 [ref. 9708], Collette 2003:5 [ref. 27306], Menezes & Figueiredo in Menezes et al. 2003:67 [ref. 27192], Barriga Salazar 2014:117 [ref. 35745], Ramos et al. 2014:4 [ref. 35321], DoNascimiento et al. 2017:100 [ref. 35633], Silvano et al. 2020:380 [ref. 38134], Meza-Vargas et al. 2021:27 [ref. 39298], Koerber et al. 2022:78 [ref. 39235]). Current status: Valid as Pseudotylosurus microps (Günther 1866). Belonidae. Distribution: South America: primarily a species of the Orinoco, Guianas, and lower Amazon (Araguaia, Xingu, Negro and Branco) (Brazil, Colombia, French Guiana, Suriname, Peru and Venezuela). Habitat: freshwater.