Skeleton of <i><a href="//commons.wikimedia.org/wiki/Calamopleurus_cylindricus" title="Calamopleurus cylindricus">Calamopleurus cylindricus</a></i>, a fossil fish
<a href="//commons.wikimedia.org/wiki/User:Ghedoghedo" title="User:Ghedoghedo">Ghedoghedo</a>
2008-04
took the foto on the "American Museum of Natural History" in New York