superorder

from WordNet (r) 3.0 (2006)
superorder
    n 1: (biology) a taxonomic group ranking above an order and
         below a class or subclass
    
from The Collaborative International Dictionary of English v.0.48
Superorder \Su`per*or"der\, n. (Zool.)
   A group intermediate in importance between an order and a
   subclass.
   [1913 Webster]
    

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