Alepisaurus azureus Valenciennes, 1850 accepted as Alepisaurus ferox Lowe, 1833 (original description)
Alestes sethente Valenciennes, 1850 accepted as Alestes dentex (Linnaeus, 1758) (original description)
Argyropelecus aculeatus Valenciennes, 1850 (original description)
Argyropelecus durvillei Valenciennes, 1850 accepted as Argyropelecus hemigymnus Cocco, 1829 (original description)
Aulopus milesii Valenciennes, 1850 accepted as Latropiscis purpurissatus (Richardson, 1843) (original description)
Brycinus macrolepidotus Valenciennes, 1850 (original description)
Chalceus ararapeera Valenciennes, 1850 accepted as Chalceus macrolepidotus Cuvier, 1818 (original description)
Chalceus carpophaga Valenciennes, 1850 accepted as Brycon amazonicus (Spix & Agassiz, 1829) (original description)
Chalceus guile Valenciennes, 1850 accepted as Brycinus nurse (Rüppell, 1832) (original description)
Chalceus hilarii Valenciennes, 1850 accepted as Brycon hilarii (Valenciennes, 1850) (original description)
Chalceus orbignyanus Valenciennes, 1850 accepted as Brycon orbignyanus (Valenciennes, 1850) (original description)
Chalceus rodopterus Valenciennes, 1850 accepted as Brycon orbignyanus (Valenciennes, 1850) (original description)
Chalcinus Valenciennes in Cuvier & Valenciennes, 1850 accepted as Triportheus Cope, 1872 (original description)
Chalcinus auritus Valenciennes, 1850 accepted as Triportheus auritus (Valenciennes, 1850) (original description)
Chalcinus brachipomus Valenciennes, 1850 accepted as Triportheus brachipomus (Valenciennes, 1850) (original description)
Curimatus laticeps Valenciennes, 1850 accepted as Potamorhina laticeps (Valenciennes, 1850) (original description)
Cynopotamus gibbosus Valenciennes, 1850 accepted as Charax gibbosus (Linnaeus, 1758) (original description)
Epicyrtus exodon Valenciennes, 1850 accepted as Exodon paradoxus Müller & Troschel, 1844 (original description)
Farionella gayi Valenciennes, 1850 accepted as Aplochiton zebra Jenyns, 1842 (original description)
Leporinus elongatus Valenciennes, 1850 accepted as Megaleporinus elongatus (Valenciennes, 1850) (original description)
Leporinus leschenaulti Valenciennes, 1850 (original description)
Leporinus pachyurus Valenciennes, 1850 (original description)
Leporinus vittatus Valenciennes, 1850 accepted as Leporellus vittatus (Valenciennes, 1850) (original description)
Mylesinus schomburgkii Valenciennes, 1850 (original description)
Myletes acanthogaster Valenciennes, 1850 accepted as Mylossoma acanthogaster (Valenciennes, 1850) (original description)
Myletes divaricatus Valenciennes, 1850 accepted as Myleus setiger Müller & Troschel, 1844 (original description)
Myletes doidyxodon Valenciennes, 1850 accepted as Myleus setiger Müller & Troschel, 1844 (original description)
Myletes lobatus Valenciennes, 1850 accepted as Myloplus lobatus (Valenciennes, 1850) (original description)
Myletes luna Valenciennes, 1850 accepted as Myloplus rubripinnis (Müller & Troschel, 1844) (original description)
Myletes orbignyanus Valenciennes, 1850 accepted as Mylossoma duriventre (Cuvier, 1818) (original description)
Myletes palometa Valenciennes, 1850 accepted as Myloplus schomburgkii (Jardine, 1841) (original description)
Myletes schomburgkii Valenciennes, 1850 accepted as Myloplus schomburgkii (Jardine, 1841) (original description)
Parodon Valenciennes, 1850 (original description)
Parodon suborbitale Valenciennes, 1850 accepted as Parodon suborbitalis Valenciennes, 1850 (original description)
Parodon suborbitalis Valenciennes, 1850 (original description)
Piabuca schizodon Valenciennes, 1850 accepted as Schizodon fasciatus Spix & Agassiz, 1829 (original description)
Piabuca vittata Valenciennes, 1850 accepted as Schizodon vittatus (Valenciennes, 1850) (original description)
Piabucina erythrinoides Valenciennes, 1850 (original description)
Prochilodus brama Valenciennes, 1850 accepted as Semaprochilodus brama (Valenciennes, 1850) (original description)
Prochilodus costatus Valenciennes, 1850 (original description)
Prochilodus humboldti Valenciennes, 1850 accepted as Hemiodus amazonum (Humboldt, 1821) (original description)
Prochilodus reticulatus Valenciennes, 1850 (original description)
Pygocentrus palometa Valenciennes, 1850 (original description)
Pygopristis serrulatus Valenciennes, 1850 accepted as Serrasalmus serrulatus (Valenciennes, 1850) (original description)
Salanx cuvieri Valenciennes, 1850 (original description)
Salminus cuvieri Valenciennes, 1850 accepted as Salminus brasiliensis (Cuvier, 1816) (original description)
Salminus hilarii Valenciennes, 1850 (original description)
Salminus maxillosus Valenciennes, 1850 accepted as Salminus brasiliensis (Cuvier, 1816) (original description)
Salminus orbignyanus Valenciennes, 1850 accepted as Salminus brasiliensis (Cuvier, 1816) (original description)
Saurida nebulosa Valenciennes, 1850 (original description)
Saurus meleagris Valenciennes, 1850 accepted as Synodus synodus (Linnaeus, 1758) (original description)
Scopelus caninianus Valenciennes, 1850 accepted as Myctophum punctatum Rafinesque, 1810 (original description)
Scopelus maurolici Valenciennes, 1850 accepted as Maurolicus muelleri (Gmelin, 1789) (original description)
Serrasalmus caribe Valenciennes, 1850 accepted as Pygocentrus cariba (Humboldt, 1821) (original description)
Serrasalmus humeralis Valenciennes, 1850 (original description)
Tetragonopterus gronovii Valenciennes, 1850 accepted as Astyanax bimaculatus (Linnaeus, 1758) (original description)
Tetragonopterus linnaei Valenciennes, 1850 accepted as Astyanax bimaculatus (Linnaeus, 1758) (original description)
Tetragonopterus orbicularis Valenciennes, 1850 accepted as Brachychalcinus orbicularis (Valenciennes, 1850) (original description)
Tetragonopterus orbignyanus Valenciennes, 1850 accepted as Astyanax orbignyanus (Valenciennes, 1850) (original description)
Tetragonopterus spilurus Valenciennes, 1850 accepted as Ctenobrycon spilurus (Valenciennes, 1850) (original description)
Tetragonopterus viejita Valenciennes, 1850 accepted as Psalidodon fasciatus (Cuvier, 1819) (original description)
Tetragonopterus wappi Valenciennes, 1850 accepted as Astyanax bimaculatus (Linnaeus, 1758) (original description)
Tometes altipinnis Valenciennes, 1850 accepted as Myleus altipinnis (Valenciennes, 1850) (original description)
Tometes trilobatus Valenciennes, 1850 (original description)
Tometes unilobatus Valenciennes, 1850 accepted as Tometes trilobatus Valenciennes, 1850 (original description)
Xiphostoma hujeta Valenciennes, 1850 accepted as Ctenolucius hujeta (Valenciennes, 1850) (original description)
Xiphostoma maculatum Valenciennes, 1850 accepted as Boulengerella maculata (Valenciennes, 1850) (original description)