lampreia, Synbranchus Favorito [S. E.], Zanata [A. M.] & Assumpção [M. I.] 2005:321, Figs. 1, 2a, 5, 6 [Neotropical Ichthyology v. 3 (no. 3); ref. 28383] Rio Goiapi, tributary of rio Arari, Cachoeira do Arari (ca. 0°58'S, 48°57'), ilha de Marajó, Pará, Brazil. Holotype: MZUSP 50184. Paratypes: MPEG 3374 (1), 3377 (1), 3379 (1); MZUSP 50185 (4), 84453 (3 eggs). •Valid as Synbranchus lampreia Favorito, Zanata & Assumpção 2005 -- (Meza-Vargas et al. 2021:27 [ref. 39298], Sabaj et al. 2022:12 [ref. 39304]). Current status: Valid as Synbranchus lampreia Favorito, Zanata & Assumpção 2005. Synbranchidae. Distribution: South America: Amazon basin (Brazil and Peru). Habitat: freshwater.