Upper Carboniferous period


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Related to Upper Carboniferous period: Early Carboniferous
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Noun1.Upper Carboniferous period - from 310 million to 280 million years agoUpper Carboniferous period - from 310 million to 280 million years ago; warm climate; swampy land
Carboniferous, Carboniferous period - from 345 million to 280 million years ago
References in periodicals archive ?
In the Upper Carboniferous period mentioned zone had NW-SE axis direction to the west and WNW-ESE axis direction to the east.
The creature lived in the Upper Carboniferous period, when many of the coal seams in Britain were formed.
The first known orthopteran fossil dates back to the upper Carboniferous period (~299 mya, Chopard 1920, Storozhenko 1997, Gorochov 2001), making orthopterans one of the most ancient of insect lineages.