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Lower carboniferous period
/lˈəʊə kˌɑːbənˈɪfəɹəs pˈiəɹɪəd/
/lˈoʊɚ kˌɑːɹbənˈɪfɚɹəs pˈiəɹɪəd/Lower carboniferous period
01
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
/lˈəʊə kˌɑːbənˈɪfəɹəs pˈiəɹɪəd//lˈoʊɚ kˌɑːɹbənˈɪfɚɹəs pˈiəɹɪəd/
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