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Meaning of CRETACEOUS PERIOD
WordNet Dictionary
Definition:
[n]
from
63
million
to
135
million
years
ago
;
end
of
the
age
of
reptiles
;
appearance
of
modern
insects
and
flowering
plants
Websites:
Synonyms:
Cretaceous
See Also:
Age of Reptiles
,
geological period
,
Mesozoic
,
Mesozoic era
,
period
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