Integrative Levels Classification project ILC2 schedules developing schedules how it works people references
ILC class nyc

ILC developing version
Expanded class nyc

   ▲  broader class

          nyc            oceanic zones; marine zones  ↞ jy seas
          nycp                 profundal zones; bottom water; deep water
          nycs                 shallow oceanic zones
          nycy                 ocean surfaces
 
Connected classes:
 
 omc           swimming; diving  ↞ nyc 

specificity 
current: 99