Knightia. This is little fish, has some scales, ribs. No paint and no stain. Beautiful fossil fish from the Green River Formation. Known for their beauty and fine detail. We do not paint not stain are fish, prefer the natural beauty to shine through. Actual weight 120g. Postage & stand included for mainland UK customers. Age: 50 million years Size: Rock approx. 11 x 6.5cm. Fish 8cm. Location: Green River Formation, Wyoming, USA