Klausewitzia
Klausewitzia is a monospecific genus of freshwater ray-finned fish belonging to the family Crenuchidae, the South American darters. The only species in this genus is Klausewitzia ritae, a fish found in the upper Amazon basin in the frontier zone of Brazil and Peru.
The fish is named in honor of Rita Klausewitz, the wife of ichthyologist Wolfgang Klausewitz.