(Rheidae,(Tinamidae,((Mesitornithidae,((((Rallidae,(Otididae,((((Ardeidae,(Balaenicipitidae,Ciconiidae)),(Scopidae,Threskiornithidae)),(Phoenicopteridae,(Anhimidae,(Anseranatidae,(Anatidae,Presbyornithidae))))),(Burhinidae,(Rhynchopidae,(((Chionidiidae,(Glarccolidae,(Alcidae,(Thinocoridae,(Scolopacidae,(Pedionomidae,(Jacanidae,Rostratulidae))))))),(Dromadidae,Stercorariidae)),(Laridae,(Haematopodidae,(Charadiidae,(Ibidorhynchidae,Recurvirostridae)))))))))),(Gruidae,Aramidae)),(Rhynochetidae,Eurypygidae)),(Heliornithidae,(Cariamidae,(Opisthocomidae,Psophiidae))))),(Megapodiidae,(Cracidae,Phasianidae)))));