marilynae, Nannostomus Weitzman [S. H.] & Cobb [J. S.] 1975:29, Figs. 28-30 [Smithsonian Contributions to Zoology No. 186; ref. 7134] Rio Negro, Brazil. Holotype: CAS-SU 50238. Paratypes: CAS-SU 50239 (now 23). Non-type material: CAS-SU 50240-41 (1, 3), USNM 209227 (8). •Valid as Nannostomus marilynae Weitzman & Cobb 1975 -- (Weitzman & Weitzman in Reis et al. 2003:245 [ref. 27061], DoNascimiento et al. 2017:45 [ref. 35633], Marinho 2024:387 [ref. 40817]). Current status: Valid as Nannostomus marilynae Weitzman & Cobb 1975. Lebiasinidae: Pyrrhulininae. Distribution: South America: Negro and Vichada River basins, Brazil and Colombia. Habitat: freshwater.