From 345 million to 310 million years ago, increase of land areas, primitive ammonites, winged insects
English: Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period
mississippianEnglish
Mississippian, Lower Carboniferous, Lower Carboniferous period, Missippian period
Noun
A native or resident of Mississippi
English: Mississippian