A new fish fossil from the lower Eocene found by Oxford University researcher Dr Matt Friedman has revealed why flatfishes have one of the most unusual body plans among all backboned animals. The skeleton of the primitive flatfish Heteronectes (M. Friedman) How did flatfishes, with both of their eyes on one side of their head, evolve? The new discovery, described in the Journal of Vertebrate Paleontology, finally solves this mystery. Dr Friedman’s...
