1. 
   archedictyon
   archedictyon The name given to a hypothetical scheme of wing venation proposed for the very first winged insect. It is based on a combination of speculation and fossil data. Since all winged insects are believed to have evolved from a common ancestor, the archediction represents the 'template' that ...
   Found op http://www.wordinfo.info/words/index/info/view_unit/645/
   
   
2. 
   Archedictyon
   Archedictyon (from Greek Arche meaning first, original, ancient, primitive, or most basic and dictyo- meaning net or netlike , plural "archedictya") is a name given to a hypothetical scheme of wing venation proposed for the common ancestor of all winged insects. The nature of the archedictyon is an...
   Found op http://en.wikipedia.org/wiki/Archedictyon
   
   

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