Individual #Missippian_period__Mississippian__Lower_Carboniferous__Lower_Carboniferous_period  from 310 million to 345 million years ago; increase of land areas; primitive ammonites; winged insects
  instance of:  #geological_period
  part of:  #Carboniferous_period__Carboniferous  from 280 million to 345 million years ago
     part of:  #Paleozoic_era__Paleozoic  from 230 million to about 544 million years ago

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