This video is called How the sawfish uses its saw.
Translated from Dutch news agency ANP:
Fossil sawfish snout, a unique discovery
Thursday, December 19, 2013 11:11
In the marl quarry of ENCI in Maastricht the fossil snout, called a rostrum, of a sawfish has been found. To our knowledge this is the first discovery in the world of the rostrum of the species Ganopristis leptodon, Brabants Dagblad daily reports.
The fish lived 66 million years ago.
See also here.
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