What is another word for upper carboniferous?
Pronunciation: [ˌʌpə kˌɑːbənˈɪfəɹəs] (IPA) 
The Upper Carboniferous period, also known as the Pennsylvanian period, was a time of great geological and evolutionary change. It lasted from around 318 to 299 million years ago and was characterized by the development of vast coal forests and the emergence of reptiles, insects, and seed-bearing plants. Synonyms for this period include the Late Carboniferous, the Late Paleozoic, and the Coal Age. These terms all refer to the same period and are used interchangeably in geological literature. Understanding these synonyms can help geologists and other researchers communicate effectively and accurately about the evolution and history of our planet.
