Ichthyosaurus sp. swimming paddle
Swimming paddle (fin) of a Ichthyosaurus sp. from the Bristol Channel, UK, dating 200 million years ago from the Hettangian age of the Jurassic Period. The arm bones evolved greatly to transform the leg of the terrestrial ancestor of the ichthyosaurs into a fin. Collection Jean-Philippe et Francois-Xavier Blouet, paleontologists., by PASCAL GOETGHELUCK/SCIENCE PHOTO LIBRARY
Details
License type
Rights Managed