1. 
   Phacops
   Pha'cops noun [ New Latin , from Greek ... a lentil + ..., ..., the eye.] (Paleon.) A genus of trilobites found in the Silurian and Devonian formations. Phacops bufo is one of the most common species.
   Found op http://www.encyclo.co.uk/webster/P/68
   
   
2. 
   phacops
   <paleontology> A genus of trilobites found in the Silurian and Devonian formations. Phacops bufo is one of the most common species. ... Origin: NL, fr. Gr. A lentil +, the eye. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?phacops
   
   
3. 
   Phacops
   • (n.) A genus of trilobites found in the Silurian and Devonian formations. Phacops bufo is one of the most common species.
   Found op http://thinkexist.com/dictionary/meaning/phacops/
   
   
4. 
   Phacops
   genus of trilobites (an extinct group of aquatic arthropods) found as fossils in Silurian and Devonian rocks (between 345,000,000 and 430,000,000 ...
   Found op http://www.britannica.com/eb/a-z/p/53
   
   
5. 
   Phacops
   Phacops is a genus of trilobite in the order Phacopida, family Phacopidae that lived in Europe and North American in the Silurian and Devonian periods. It was a rounded animal, with a globosa head and large eyes, and probably fed on detritus. Phacops is often found enrolled, a biological defense me...
   Found op http://en.wikipedia.org/wiki/Phacops
   
   

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