Pieter Camper's original illustrationCamper's original drawing (Camper 1786: Tab. XV, fig. 6) of the unknown animal's teeth.
Typical mosasaur teeth are shown above, in Pieter Camper's drawing (Camper 1786: Tab. XV, fig. 6) of what he called the "unknown animal." Various proposals at the time asserted that they were the teeth of a whale, a giant varanid lizard or a tremendous snake. The modern consensus asserts they are the teeth of a marine reptile, but they are very similar to the teeth of modern toothed whales (e.g., sperm whales), which are also conical and single rooted. Camper himself thought they were the teeth of a whale.
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