Microgenys is a genus of freshwater ray-finned fishes, characins, belonging to the family Stevardiidae. The fishes in this genus are found in tropical South America.Thomaz, A.T., Arcila, D., Ortí, G. & Malabarba, L.R. (2015): Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits. BMC Evolutionary Biology, (2015) 15: 146.
Species Microgenys contains the following valid species:
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