Noun, Noun which may take the genitive case particle 'no'
1. the Carboniferous Period
Wikipedia definition
2. CarboniferousThe Carboniferous is a geologic period and system that extends from the end of the Devonian Period, about 359.2 ± 2.5 Mya (million years ago), to the beginning of the Permian Period, about 299.0 ± 0.8 Mya. The name 'Carboniferous', which means "coal-bearing" and derives from the Latin words carbo (coal) and ferre (to carry), was coined by geologists, William Conybeare and William Phillips in 1822.
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