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Definition of Lower Carboniferous period
1. Noun. From 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects.
Exact synonyms: Lower Carboniferous, Missippian Period, Mississippian
Group relationships: Carboniferous, Carboniferous Period
Generic synonyms: Geological Period, Period
Group relationships: Carboniferous, Carboniferous Period
Generic synonyms: Geological Period, Period
Lexicographical Neighbors of Lower Carboniferous Period
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