Superfamily Definition
 so͝opər-fămə-lē 
  superfamilies
  
    noun
  
 A natural subdivision ranking above a family and below an order, usually less extensive than a suborder.
 Webster's New World 
A category of language classification that is above the family, often proposed as a grouping of families that are believed to be related because of some similar characteristics.
 Webster's New World 
Other Word Forms of Superfamily
Noun
Singular:
 superfamilyPlural:
 superfamiliesOrigin of Superfamily
-  
super- +"Ž family
From Wiktionary
 
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