Geological Era — synonyms, definition
1. geological era (Noun)
1 synonym
era
1 definition
geological era (Noun) — A major division of geological time; an era is usually divided into two or more periods.
2 types of
geologic time geological time
9 types
Age of Mammals Age of Reptiles Cenozoic Cenozoic era Mesozoic Mesozoic era Palaeozoic Paleozoic Paleozoic era
2 parts
geological period period
2 parts of
aeon eon