(Gymnorhamphichthys_rondoni,(Rhamphichthys_marmoratus,(Steatogenys_duidae,(Hypopygus_neblinae,(Hypopygus_isbruckeri,(Hypopygus_nijsseni,Hypopygus_ortegai,(Hypopygus_cryptogenes,(Hypopygus_lepturus,(Hypopygus_hoedemani,Hypopygus_minissimus)))))))));