58 entries under history topic. ×

4
Coniacian(noun, geology, age)
4
Danian(noun, geology, age)
4
Gelasian(noun, geology, age)
4
Gzhelian(noun, geology, age)
4
Hauterivian(noun, geology, age)
4
Hettangian(noun, geology, age)
4
Induan(noun, geology, age)
4
Kasimovian(noun, geology, age)
4
Kimmeridgian(noun, geology, age)
4
Ladinian(noun, geology, age)
4
Langhian(noun, geology, age)
4
Lutetian(noun, geology, age)
4
Maastrichtian(noun, geology, age)
4
Messinian(noun, geology, age)
4
Moscovian(noun, geology, age)
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Norian(noun, geology, age)
4
Olenekian(noun, geology, age)
4
Oxfordian(noun, geology, age)
4
Piacenzian(noun, geology, age)
4
Pliensbachian(noun, geology, age)
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APASmart Define. (2015). geological age thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/geological_age/thesaurus/narrower
ChicagoSmart Define. 2015. "geological age thesaurus" https://smartdefine.org/geological_age/thesaurus/narrower (accessed October 1, 2026).
HarvardSmart Define 2015, geological age thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/geological_age/thesaurus/narrower>.
MLASmart Define. "geological age thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/geological_age/thesaurus/narrower>