((Homarus,Metanephrops),(((Cambaroides,((Pacifastacus,(Austropotamobius,(Astacus,Pontastacus))),((('Cambarus bartoni','Cambarus maculatus'),Orconectes),((('Cambarus diogenes','Cambarus miltus'),(Creaserinus,(Barbicambarus,Faxonius))),(Cambarellus,(('Faxonella blairi',('Bouchardina robisoni','Faxonella clypeata',Hobbseus)),(('Procambarus barbatus',('Procambarus clarkii',('Procambarus franzi',Troglocambarus))),(Distocambarus,('Procambarus libeorum',Fallicambarus))))))))),((Astacoides,((Ombrastacoides,Paranephrops,Spinastacoides,Cherax),((Astacopsis,Euastacus),(Engaeus,Engaewa,Geocharax,Gramastacus,Tenuibranchiurus)))),(Virilastacus,Parastacus,Samastacus)))));