Synonyms|0Antonyms|0|Broader|2Narrower|91Related|329
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Extant Thanetian first appearance(expression, appearance, period, geochronology)
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Aequornithes(noun, animal, geohistory, appearance)
2
Afroaves(noun, animal, geohistory, appearance)
2
Afrotheria(noun, animal, geohistory, appearance)
2
Aldrovanda(noun, animal, geohistory, appearance)
2
Alligatorinae(noun, animal, geohistory, appearance)
2
Ampullinopsis(noun, animal, geohistory, appearance)
2
Andrias(noun, animal, geohistory, appearance)
2
Anguillidae(noun, animal, geohistory, appearance)
2
Apodiformes(noun, animal, geohistory, appearance)
2
Astraea(noun, animal, geohistory, appearance)
2
Atlantogenata(noun, animal, geohistory, appearance)
2
Australidelphia(noun, animal, geohistory, appearance)
2
Bathytoma(noun, animal, geohistory, appearance)
2
Boidae(noun, animal, geohistory, appearance)
2
Boinae(noun, animal, geohistory, appearance)
2
Bonefishes(noun, animal, geohistory, appearance)
2
Budgerigar(noun, animal, geohistory, appearance)
2
Caiman(noun, animal, geohistory, appearance)
2
Callichthyidae(noun, animal, geohistory, appearance)
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APASmart Define. (1970). extant paleocene first appearance thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower
ChicagoSmart Define. 1970. "extant paleocene first appearance thesaurus" https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower (accessed September 28, 2026).
HarvardSmart Define 1970, extant paleocene first appearance thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower>.
MLASmart Define. "extant paleocene first appearance thesaurus" 1 January 1970. Web. 28 September 2026. <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower>