Synonyms|0Antonyms|0|Broader|2Narrower|54Related|361

319 entries under noun topic. ×

2
Hemerocoetes(creature, geohistory, rupelian)
2
Hemipristis(creature, geohistory, eocene)
2
Heron(creature, geohistory, paleocene)
2
Hexaplex(creature, geohistory, paleocene)
2
Hexapodidae(creature, geohistory, paleocene)
2
Hoatzin(creature, geohistory, eocene)
2
Houndshark(creature, geohistory, paleocene)
2
Hummingbird(creature, geohistory, rupelian)
2
Hymenocephalus(creature, geohistory, rupelian)
2
Hypomesus(creature, geohistory, chattian)
2
Hypsiprymnodontidae(creature, geohistory, chattian)
2
Hystricognathi(creature, geohistory, eocene)
2
Hystricomorpha(creature, geohistory, eocene)
2
Inocelliidae(creature, geohistory, eocene)
2
Iridaceae(creature, geohistory, paleocene)
2
Jacana(creature, geohistory, rupelian)
2
Juliidae(creature, geohistory, eocene)
2
Kuphus(creature, geohistory, chattian)
2
Lacertidae(creature, geohistory, chattian)
2
Lacertoidea(creature, geohistory, paleocene)
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APASmart Define. (1970). extant oligocene first appearance thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant oligocene first appearance thesaurus" https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, extant oligocene first appearance thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant oligocene first appearance thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>