CHARADRIIMORPHAE = Chradriiformes
  |--Chionidi
  |    \--+--Burhinidae (Thick-knees)
  |       \--+--Chionidae (Sheathbills)
  |          \--Pluvianellidae (Magellanic Plover)
  |--Charadrii
  |    |--+--Charadriidae (Plovers)
  |    |  \--+--Haematopodidae (Oystercatchers)
  |    |     \--Recurvirostridae (Stilts, Avocets)
  |    \--Ibidorrhynchidae (Ibisbill)
  |--Scolapaci
  |    |--+--Thinocoridae (Seedsnipe)
  |    |  \--Pedionomidae (Plains-wanderer)
  |    |--+--Jacanidae (Jacanas)
  |    |  \--Rostratulidae (Painted-snipe)
  |    \--Scolopacidae (Sandpipers, Snipe)
  |--Turnici
  |    \--Turnicidae (Buttonquail)
  \--Lari
       \--+--+--Glareolidae (Coursers, Pratincoles)
          |  \--Dromadidae (Crab Plover)
          |--+--Laridae (Gulls)
          |  +--Sternidae (Terns)
          |  \--Rhynchopidae (Skimmers)
          \--+--Stercorariidae (Skuas, Jaegers)
             \--Alcidae (Auks)