Probably, carbonateous fossil.
Wood is not yet fossilized. Fossilized wood is called "coal".
Amber is not a species, it is fossilized tree resin
Petoskey is actually fossilized coral.
a green leaf
an animal that got fossilized
It is dung that has become fossilized.
a maple leaf
The leaf on the Canadian flag is a maple leaf; specifically, a sugar maple leaf.
a maple leaf
what type of leaf?
Meganium is a leaf type.