25.0 MB (1.7 MB compressed)
3281 x 2663 pixels
27.7 x 22.6 cm ⏐ 10.9 x 8.9 in (300dpi)
NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Virgatosphinctes ammonite, fossil specimen. Ammonites, now extinct, were marine invertebrate cephalopod molluscs, usually with a spiral shell. Most were less than 20 centimetres across. Ammonites first appear in the fossil record around 400 million years ago and became extinct at the end of the Cretaceous Period 65 million years ago. This specimen was recovered from an elevation of over 5000 metres in the Himalayas.
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