The Family Turnicidae – Buttonquails+ or Turnicidae – Buttonquails is of Type – landfowl, which is defined below, and is in the Order Charadriiformes. At the moment it contains the sub-families as shown below, note that Hemipodes is an old name that may still be used.
Type - landfowl - is defined as follows...
Type - landfowl - contains species of birds that are hunted as gamebirds and that are terrestrial in their typical feeding behaviour, and others that are very similar in appearance or habits.
Turnicidae - Buttonquails+ contains the following categories...
Buttonquails
Buttonquails+
Hemipodes
Quail-plovers