There is a very general unconformity and break between the Lower and Upper Cretaceous; this has led Chamberlin and Salisbury to suggest that the Lower Cretaceous should be regarded as a separate period with the title "Comanchean."
Source: wiktionary
Comanchean
Synonyms for "comanchean" (2 found)
Ranked by relevance and common usage.
Sample sentences
1 total sentences available.