These are the most frequently used words in this book.
american
ancient
animals
australia
between
biota
body
book
called
cambrian
case
cell
creatures
day
de
during
early
earth
ediacara
ediacaran
end
even
evolution
evolutionary
families
field
figure
find
first
form
formation
fossils
found
garden
geological
geology
german
group
however
important
indeed
interpretation
journal
known
large
later
life
light
living
long
may
mcmenamin
might
must
namibia
new
north
note
now
organisms
paper
part
perhaps
plants
plate
point
pp
precambrian
press
proterozoic
pteridinium
right
rocks
sand
science
sea
sediment
see
seilacher
society
south
specimens
structures
surface
system
thought
three
thus
time
trace
tree
two
type
university
view
water
work
world
years
york