Synonyms|17Antonyms|0|Broader|3Narrower|35Related|12
0
Age of Fishes
0
Age of Man
0
Cambrian
0
Cambrian period
0
Carboniferous
0
Carboniferous period
0
Cretaceous
0
Cretaceous period
0
Devonian
0
Devonian period
0
Jurassic
0
Jurassic period
0
Lower Carboniferous
0
Lower Carboniferous period
0
Missippian period
0
Mississippian
0
Ordovician
0
Ordovician period
0
Pennsylvanian
0
Pennsylvanian period
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APASmart Define. (2015). geological period thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/geological_period/thesaurus/narrower
ChicagoSmart Define. 2015. "geological period thesaurus" https://smartdefine.org/geological_period/thesaurus/narrower (accessed September 28, 2026).
HarvardSmart Define 2015, geological period thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/geological_period/thesaurus/narrower>.
MLASmart Define. "geological period thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/geological_period/thesaurus/narrower>