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Значения термина cretaceous age на английском

Значения для термина "cretaceous age" отсутствуют.
Использование термина cretaceous age на английском
1
The geology of this neighborhood was interesting-Oliveirafound fossil tree-trunkswhich he believed to be of cretaceous age.
Through the Brazilian Wilderness
2
Rocks of Upper Cretaceous age are represented in all their stages.
The Project Gutenberg Encyclopedia, Volume 1 of 28
3
These are probably of Eocene or of late Cretaceous age.
The Project Gutenberg Encyclopedia, Volume 1 of 28
4
A fossil species of this genus of Upper Cretaceous age was named by Bosquet Chthamalus Darwini.
More Letters of Charles Darwin — Volume 1 / A Record of His Work...