Synonyms|0Antonyms|0|Broader|2Narrower|54Related|361
2
Bumblebee(noun, creature, geohistory, eocene)
2
Buttonquail(noun, creature, geohistory, rupelian)
2
Cactus(noun, creature, geohistory, eocene)
2
Caiman(noun, creature, geohistory, paleocene)
2
Calamus(noun, creature, geohistory, rupelian)
2
Callichthyidae(noun, creature, geohistory, paleocene)
2
Cane rat(expression, creature, geohistory, eocene)
2
Canidae(noun, creature, geohistory, eocene)
2
Caprimulgiformes(noun, creature, geohistory, paleocene)
2
Caproidae(noun, creature, geohistory, eocene)
2
Caranx(noun, creature, geohistory, eocene)
2
Carpilioidea(noun, creature, geohistory, paleocene)
2
Cassidulina(noun, creature, geohistory, eocene)
2
Cassis(noun, creature, geohistory, paleocene)
2
Castoridae(noun, creature, geohistory, eocene)
2
Castorimorpha(noun, creature, geohistory, eocene)
2
Catarrhini(noun, creature, geohistory, eocene)
2
Cathartiformes(noun, creature, geohistory, eocene)
2
Cathaya(noun, creature, geohistory, rupelian)
2
Celleporidae(noun, creature, geohistory, eocene)
56 years ago|0 views|share |citing 
APASmart Define. (1970). extant oligocene first appearance thesaurus. Retrieved October 1, 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 1, 2026).
HarvardSmart Define 1970, extant oligocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant oligocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>