Author: Gill, 1862
Body elongate to moderately deep; head blunt-snouted, often uneven: the upper part bigger than the part below midline of head; mouth terminal; distinguishing character is a fleshy globular appendix on the chin, often referred to as globular swelling, always pointing straight forward. (Not to be confused with a submental swelling. In preserved specimens it may be distorted). Of the superorder Osteoglossomorpha, this genus is the most rich in species.
Species:
Marcusenius abadii
Marcusenius annamariae
Marcusenius bentleyi
Marcusenius brucii
Marcusenius conicephalus
Marcusenius cuangoanus
Marcusenius cyprinoides
Marcusenius deboensis
Marcusenius dundoensis
Marcusenius friteli
Marcusenius furcidens
Marcusenius fuscus
Marcusenius ghesquierei
Marcusenius greshoffi
Marcusenius intermedius
Marcusenius kainjii
Marcusenius kutuensis
Marcusenius leopoldianus
Marcusenius livingstonii
Marcusenius macrolepidotus
Marcusenius mento
Marcusenius meronai
Marcusenius monteiri
Marcusenius moorii
Marcusenius ntemensis
Marcusenius nyasensis
Marcusenius rheni
Marcusenius rhodesianus
Marcusenius sanagaensis
Marcusenius schilthuisiae
Marcusenius senegalensis
Marcusenius stanleyanus
Marcusenius thomasi
Marcusenius ussheri
Marcusenius victoriae