Fossilized Potamon Crab in travertine

Say HELLO to my little friend!
Fossilized Potamon CRAB in travertine.
Locality: Turkey 🇹🇷 
Estimated 300,000-400,000 years old - Pleistocene age  
UV reactive with phosphorescence. Reacts about the same with SW or LW. 
 Crab measures approximately:
1.7” x 1.7” x 0.4” width and length include the entire leg spread. The crab body is about 0.7” wide. 
Entire specimen measures:
3.4” x 3.4” x 1.5”
1lb 3.7oz