Cretaceous vs Iguanodon - What's the difference?
cretaceous | iguanodon |
(geology) The geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 65 million years ago
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As an adjective cretaceous
is of or relating to chalk.As a proper noun iguanodon is
.cretaceous
English
(wikipedia Cretaceous)Proper noun
(en proper noun)- As with the Lejeuneaceae, this pattern of massive speciation appears to be correlated with the Cretaceous explosion of the angiosperms and the simultaneous creation of a host of new microenvironments, differing in humidity, light intensity, texture, etc.