('Siphluriscus chinensis',(('Siphlonurus aestivalis','Ameletus sp'),((('Isonychia kiangsinensis','Isonychia ignota'),(('Potamanthus sp',('Siphlonurus immanis','Ephemera orientalis')),((('Habrophlebiodes zijinensis',('Choroterpides apiculata','Choroterpes yixingensis')),('Caenis robusta',('Baetis sp','Alainites yixiani'))),('Vietnamella dabieshanensis',('Ephemerella sp',('Serratella zapekinae',('Torleya grandipennis','Torleya tumiforceps'))))))),('Epeorus herklotsi',('Parafronurus youi','Paegniodes cupulatus')))));