| English noun: Lower Carboniferous period | |||
| 1. | Lower Carboniferous period (time) from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects | ||
| Synonyms | Lower Carboniferous, Missippian period, Mississippian | ||
| Instance hypernym | geological period, period | ||
| Part meronym | Carboniferous, Carboniferous period | ||