apodion, Belonion Collette [B. B.] 1966:12, Figs. 1B-C [American Museum Novitates No. 2274; ref. 892] Laguna 3 kilometers southwest of Costa Marques, Rio Guaporé, Bolivia at Brazil-Bolivia boundary. Holotype: AMNH 20805. Paratypes: AMNH 20806 (3), 20807 [ex MNRJ 4490] (2); MNHN 1966-0725 (2); MNRJ 4490 (82); RMNH 26113 [ex USNM 199540] (2), USNM 199539 (3), 199540 (27, 5 c&s). Type catalog: Collette et al. 1992:3-4 [ref. 19410], Collette et al. 1997:9 [ref. 22813]. •Valid as Belonion apodion Collette 1966 -- (Collette 1974:170 [ref. 7131], Lovejoy & de Araújo 2000:261 [ref. 31786], Lovejoy & Collette 2001:329 [ref. 25232], Lovejoy & Collette in Reis et al. 2003:586 [ref. 27061], Collette 2003:3 [ref. 27306], Menezes & Figueiredo in Menezes et al. 2003:67 [ref. 27192], Sarmiento et al. 2014:32, 183 [ref. 35004], see DoNascimiento et al. 2017:[29] [ref. 35679]). Current status: Valid as Belonion apodion Collette 1966. Belonidae. Distribution: Guaporé and Madeira River basins: Bolivia and Brazil. Habitat: freshwater.