Synonyms|0Antonyms|0|Broader|2Narrower|91Related|329
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Ornithorhynchidae(noun, animal, geohistory, appearance)
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Owl(noun, animal, geohistory, appearance)
2
Pacific giant salamander(expression, animal, geohistory, appearance)
2
Paenungulata(noun, animal, geohistory, appearance)
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Pangolin(noun, animal, geohistory, appearance)
2
Penguin(noun, animal, geohistory, appearance)
2
Phidoloporidae(noun, animal, geohistory, appearance)
2
Pilosa(noun, animal, geohistory, appearance)
2
Pinnotheridae(noun, animal, geohistory, appearance)
2
Placentalia(noun, animal, geohistory, appearance)
2
Podocnemididae(noun, animal, geohistory, appearance)
2
Polinices(noun, animal, geohistory, appearance)
2
Proboscidea(noun, animal, geohistory, appearance)
2
Proxiuber(noun, animal, geohistory, appearance)
2
Rhineuridae(noun, animal, geohistory, appearance)
2
Sand dollar(expression, animal, geohistory, appearance)
2
Scaphella(noun, animal, geohistory, appearance)
2
Schizaster(noun, animal, geohistory, appearance)
2
Sea butterfly(expression, animal, geohistory, appearance)
2
Slender-snouted crocodile(expression, animal, geohistory, appearance)
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APASmart Define. (1970). extant paleocene first appearance thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 1970, extant paleocene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower>.
MLASmart Define. "extant paleocene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/narrower>