56 entries under noun topic. ×

4
Aalenian(geology, history, age)
4
Albian(geology, history, age)
4
Anisian(geology, history, age)
4
Aptian(geology, history, age)
4
Aquitanian(geology, history, age)
4
Bajocian(geology, history, age)
4
Barremian(geology, history, age)
4
Bartonian(geology, history, age)
4
Bashkirian(geology, history, age)
4
Bathonian(geology, history, age)
4
Berriasian(geology, history, age)
4
Burdigalian(geology, history, age)
4
Calabrian(geology, history, age)
4
Callovian(geology, history, age)
4
Campanian(geology, history, age)
4
Carnian(geology, history, age)
4
Cenomanian(geology, history, age)
4
Chattian(geology, history, age)
4
Coniacian(geology, history, age)
4
Danian(geology, history, age)
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APASmart Define. (2015). geological age thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/geological_age/thesaurus/narrower
ChicagoSmart Define. 2015. "geological age thesaurus" https://smartdefine.org/geological_age/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2015, geological age thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/geological_age/thesaurus/narrower>.
MLASmart Define. "geological age thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/geological_age/thesaurus/narrower>