Synonyms|0Antonyms|0|Broader|1Narrower|6Related|668

87 entries under oligocene topic. ×

3
Scutellidae(noun, creature, geohistory)
3
Somniosus(noun, creature, geohistory)
3
Suidae(noun, creature, geohistory)
3
Sylvioidea(noun, creature, geohistory)
3
Trachinus(noun, creature, geohistory)
3
Triloculinella(noun, creature, geohistory)
2
Acanthochitona(noun, creature, geohistory)
2
Aeluroidea(noun, creature, geohistory)
2
Albatross(noun, creature, geohistory)
2
Alligator(noun, creature, geohistory)
2
Ameiurus(noun, creature, geohistory)
2
Aplodontiidae(noun, creature, geohistory)
2
Buccella(noun, creature, geohistory)
2
Buteo(noun, creature, geohistory)
2
Callochiton(noun, creature, geohistory)
2
Certhioidea(noun, creature, geohistory)
2
Chaetopleura(noun, creature, geohistory)
2
Chamaesipho(noun, creature, geohistory)
2
Colpophyllia(noun, creature, geohistory)
2
Colubridae(noun, creature, geohistory)
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APASmart Define. (1970). extant paleogene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant paleogene first appearance thesaurus" https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, extant paleogene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleogene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>