<http://schema.org/about>
"The findings suggest that early in primitive vertebrates' history, evolution experimented with a number of wacky body plans, only some of which survived."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/primitive-fish-with-butt-fins-reveals-quirks-of-evolution>