Recent Examples of carboniferous from the Web
True spiders, to which sea spiders (some of which have more than eight legs) are but distantly related, are known for certain only from as far back as the Carboniferous period, about 300m years ago.
A new microsaur from the Early Carboniferous (Viséan) of East Kirkton, Scotland, showing soft tissue evidence.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carboniferous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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