Ammonite. Ammonite fossil (Placenticeras sp.) displaying bite marks (rounded depressions) possibly inflicted by a Mosasaur. Ammonites are extinct mari
Ammonite. Ammonite fossil (Placenticeras sp.) displaying bite marks (rounded depressions) possibly inflicted by a Mosasaur. Ammonites are extinct marine animals which lived between 380 and 65 million years ago. They are distantly related to the modern-day nautilus. The Mosasaur, an extinct relative of the modern monitor lizard, was a predatory reptile which could grow to a length of over 15 metres. It lived in the late Cretaceous period around 75 million years ago. This particular ammonite was probably bitten, rotated, and bitten again several times, in an effort to extricate the animal from the shell. It was found in Alberta, Canada.
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Photo credit: © SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ammonite, ammonoidea, animal, animals, bite, cephalopoda, fossil, fossils, invertebrate, invertebrates, marks, mosasaur, palaeontology, paleontology, placenticeras, sp.
