1. 
   Sinornis
   Sinornis is a genus of enantiornithine birds. Several referred fossils were recovered from the Jiufotang Formation at Liaoning, People`s Republic of China. The Jiufotang overlays the Yixian, which suggests an Aptian or Albian age (between 100-120 million years old), according to Swisher et al. (199...
   Found op http://en.wikipedia.org/wiki/Sinornis
   
   
2. 
   Sinornis
   [n] - sparrow-sized fossil bird of the Upper Jurassic to Lower Cretaceous having a keeled breastbone and vestigial tail
   Found op http://www.webdictionary.co.uk/definition.php?query=Sinornis
   
   
3. 
   Sinornis
   noun sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birds
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=Sinornis
   
   
4. 
   sinornis
   1) Bird 2) Sinornis
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/sinornis/1
   
   

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