Lehmanotus is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch in what is now Madagascar.[1] It belongs to Parasemionotidae together with Albertonia, Candelarialepis, Jacobulus, Parasemionotus, Qingshania, Stensioenotus, Suius, Thomasinotus and Watsonulus. It is named after Jean-Pierre Lehman.