Aphyodite
It was originally described as a monotypic genus containing only "Aphyodite grammica" , which is endemic to the Essequibo River basin in Guyana; however , two more species were described in 2017: "Aphyodite apiaka" from the Solimões river basin and "Aphyodite tupebas" from the Madeira river basin . 
<triplet> Essequibo River <subj> Guyana <obj> country