NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Isochirotherium herculis reptile, footprint fossil. Casts of 38-centimetre-long fossil footprints from this extinct reptile's hind feet. The fossils were discovered in Tarporley, Cheshire, UK, and date back to the Triassic period. They are part of the collections held at the Natural History Museum, London, UK.
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