Dave Boucher is a member of the Flint Ridge Chapter of the Archaeological Society of Ohio and brought this piece to our meeting the month after I gave a presentation to the group on the subject of portable rock art. Dave notes the eye hole is in the anatomically correct position, arguing for artificiality in this object. It was found at a late Paleolithic site according to Dave.
Mr. Dodd interprets a sitting bird figure, I think with tail at far left and head at upper right looking down, as if into "nest" formed by tip of snapping turtle's lower jaw. The general zoomorphic nature of many stone sculptures and the creativity of prehistoric artists often allows presentation of several figures depending on how one focuses visual attention on particular constructive visual elements. It is as if the art pieces are also optical illusions. To see other stone sculptures from this Missouri site (including a mouse/fish!!) enter ZOO into this blog's search box in the right side column.