Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun missippian_period

1 sense of missippian period

Sense 1
Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period -- (from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects)
       INSTANCE OF=> period, geological period -- (a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods")