good homicide detectives, palaeontologists use the death scene
to look for clues as to when and how their ancient subjects went
from fauna to fossils.
important Canadian Cretaceous death scene is the Carrot River
locality (fossil site) in eastern Saskatchewan. An impressive
"death assemblage" at this site contains the fossils of more than
35 species of ancient marine vertebrates, including the oldest
fossils of birds found in North America.
Palaeontologists from the Royal Saskatchewan Museum and the Canadian
Museum of Nature have pieced together when these Cretaceous creatures
died and how they became fossils.