(Stomiidae_outgroup,(Neonesthes,(Astronesthes,Borostomias,((((Photonectes,((Pachystomias,(Aristostomias,(Malacosteus,Photostomias))),(Eustomias,(Bathophilus,Grammatostomias)))),((Echiostoma,Melanostom),(Idiacanthus,Tactostoma))),(Flagellostomias,((Leptostomias,Thysanactis),(Odontostom,Opostomias)))),(Chirostomias,Trigonolampa)),(Chauliodius,Stomias),(Heterophotus,Rhadinesthes))));