These are the most frequently used words in this book.
1995
1996
1997
1998
age
al
although
animal
anterior
archaeopteryx
area
beds
between
birds
body
bone
cambrian
characters
chen
china
complete
confuciusornis
cretaceous
derived
dinosaurs
dorsal
doushantuo
early
eds
end
et
evidence
evolution
feathers
features
femur
fig
figure
first
fish
formation
fossils
found
group
humerus
indicates
integumentary
ji
jurassic
known
large
late
lateral
length
liaoning
living
long
lower
mammals
may
mm
nature
new
origin
part
phylogenetic
posterior
present
preserved
primitive
process
protarchaeopteryx
ref
region
relationships
relatively
right
scapula
science
show
showing
similar
sinosauropteryx
skeleton
skull
small
specimen
structures
tail
therians
theropods
two
upper
ventral
vertebrae
vertebrates
view
wang
yixian
zhangheotherium