411 REFERENCE · Wiktionary
Permo-Carboniferous
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From en Permian<alt:Perm(ian)> -o- Carboniferous.
Proper noun
1 1
The time period including the latter parts of the Carboniferous and the early part of the Permian.