The smallest of our butterflies, an Eastern Tailed-Blue. Compare to the clover leaf and blossom it is on.
It was once thought to be a tiger shark, but has been reclassified to a differnet genus. It's called Physogaleus contortus. P. contortus are very common in the Miocene. They have a slender, twisted crown that is ideal for grasping fish.
stingray barb I've ever seen yet.