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177 entries under geohistory topic. ×

2
Podocnemididae(noun, creature, paleocene, danian)
2
Proboscidea(noun, creature, paleocene, selandian)
2
Strisores(noun, creature, paleocene, selandian)
2
Tawny nurse shark(expression, creature, paleocene, danian)
2
Thylacinus macknessi(expression, creature, chattian)
2
Whale shark(expression, creature, paleocene, selandian)
2
eocene first appearance(expression, period, paleocene)
2
extant paleogene first appearance(expression, period, paleocene)
2
oligocene first appearance(expression, period, paleocene)
1
Adilophontes(noun, creature, rupelian)
1
Aequornithes(noun, creature, paleocene)
1
Afroaves(noun, creature, paleocene)
1
Afrotheria(noun, creature, paleocene)
1
Aldrovanda(noun, creature, paleocene)
1
Ampullinopsis(noun, creature, paleocene)
1
Andrias(noun, creature, paleocene)
1
Apodiformes(noun, creature, paleocene)
1
Archaeohippus(noun, creature, chattian)
1
Astraea(noun, creature, paleocene)
1
Atlantogenata(noun, creature, paleocene)
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APASmart Define. (1970). thanetian first appearance thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/thanetian_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "thanetian first appearance thesaurus" https://smartdefine.org/thanetian_first_appearance/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, thanetian first appearance thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/thanetian_first_appearance/thesaurus/related>.
MLASmart Define. "thanetian first appearance thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/thanetian_first_appearance/thesaurus/related>