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134 entries under creature topic. ×

2
Nycticorax(noun, geohistory, rupelian)
2
Old World monkey(expression, geogistory, oligocene)
2
Oregonia(noun, geogistory, oligocene)
2
Oreodontoides(noun, geohistory, chattian)
2
Oxydactylus(noun, geohistory, chattian)
2
Palorchestidae(noun, geohistory, chattian)
2
Passeroidea(noun, geogistory, oligocene)
2
Paucituberculata(noun, geogistory, oligocene)
2
Pelagornis(noun, geohistory, chattian)
2
Phalangeriformes(noun, geogistory, oligocene)
2
Phasianidae(noun, geohistory, rupelian)
2
Phenacocoelus(noun, geohistory, chattian)
2
Phiomorpha(noun, geogistory, oligocene)
2
Pici(noun, geohistory, rupelian)
2
Pimelodidae(noun, geogistory, oligocene)
2
Polyipnus(noun, geohistory, rupelian)
2
Pontinus(noun, geohistory, rupelian)
2
Proailurus(noun, geohistory, chattian)
2
Procellariidae(noun, geohistory, rupelian)
2
Prosqualodon(noun, geohistory, chattian)
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APASmart Define. (1970). rupelian first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/rupelian_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "rupelian first appearance thesaurus" https://smartdefine.org/rupelian_first_appearance/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, rupelian first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/rupelian_first_appearance/thesaurus/related>.
MLASmart Define. "rupelian first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/rupelian_first_appearance/thesaurus/related>