noun
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
• Syn: ↑Mississippian, ↑Missippian period, ↑Lower Carboniferous period
• Instance Hypernyms: ↑period, ↑geological period
• Part Holonyms: ↑Carboniferous, ↑Carboniferous period
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Lower Carboniferous,
Geology. the name outside of North America for the Mississippian period of Carboniferous time.
Useful english dictionary. 2012.