DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Fossil cycadeoid plant. This extinct seed plant had a short stocky trunk with a pinnate (feather-like) leaf arrangement. It was found from the Triassic to Cretaceous periods (250 to 70 million years ago). This fossil is from the Apennine mountains, Italy, and measures 82 centimetres tall.
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