Cretaceous
An Illustrated Dictionary of Medicine, Biology and Allied Sciences · 1907 · p. 10
(kre-ta'-she-us). Chalky; abounding in calcium carbonate.
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Scientific Terms (1927)
The American Dictionary and Cyclopedia (1910)
The American Dictionary and Cyclopedia (1909)
Webster's Condensed Dictionary- A Condensed Dictionary of the English Language (1909)
Chamber's Twientieth Century Dictionary (1908)
Explanation of Terms Used in Entomology (1906)
Chandler's Encyclopedia (1898)
Chamber's Etymological of the English Language (1895)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
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