1
How This Fossil Formed
110 million years ago
The nodosaur's body sank
to the ocean floor. Sand and
rocks covered it. This hid
it from sea animals that
would have eaten it.
ocean floor
2
How This Fossil Formed
1 million years ago
Over millions of years,
the nodosaur's body
turned to stone.
3
How This Fossil Formed
Today
Miners discovered the
nodosaur fossil. They dug
through half of it before
they saw it.
1
110 million years ago
The nodosaur's body
sank to the ocean
floor. Sand and rocks
covered it. This hid it
from sea animals that
would have eaten it.
2
1 million years ago
Over millions
of years, the
nodosaur's body
turned to stone.
3
Today
Miners discovered
the nodosaur fossil.
They dug through
half of it before
they saw it.
ocean floor