Name:   Diplomystus dentatus Age:  Eocene Formation:  Green River Formation Location:  Kemmerer, Wyoming Size:  Fish is 4.8'' long, frame is 7.5'' X 9.7'' This specimen is not for sale Click here for similar specimens that are for sale Here is a fine fossil fish in a frame. It is an excellent Diplomystus dentatus from the Green River Formation of Wyoming. This wonderful fish fossil has been professionally framed for optimal display. The fish is extremely detailed (better than the photo shows) and is well showcased in the large frame. This is a beautiful display specimen of a cool framed fossil fish - great for your home or office, or as a unique gift for the person who has everything.