NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Ammonite fossils. At left is an Aulacosphinctoides infundibulus ammonite that dates to the Lower Tithonian, and was found in Middle Spiti Shales, Niti Pass, Himalayas, Nepal. At right is a Virgatosphinctes sp. ammonite that dates to the Tithonian and was found in Spiti Shales, Punjab, India. Natural History Museum, London, UK.
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