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37 entries under america topic. ×

2
Miohippus(noun, mammal, oligocene)
2
Morawanocetus(noun, mammal, oligocene)
2
Nanotragulus(noun, mammal, oligocene)
2
Nimravus(noun, mammal, oligocene)
2
Nothocyon(noun, mammal, oligocene)
2
Osbornodon iamonensis(expression, mammal, oligocene)
2
Otarocyon(noun, mammal, oligocene)
2
Palaeocastor(noun, mammal, oligocene)
2
Palaeogale(noun, mammal, oligocene)
2
Palaeolagus(noun, mammal, oligocene)
2
Paraenhydrocyon josephi(expression, mammal, oligocene)
2
Philotrox(noun, mammal, oligocene)
2
Rhizocyon(noun, mammal, oligocene)
2
Sinopa(noun, mammal, oligocene)
2
Squalodon(noun, mammal, oligocene)
2
Stenomylus(noun, mammal, oligocene)
2
Sunkahetanka(noun, mammal, oligocene)
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APASmart Define. (1970). oligocene mammal of north america thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/oligocene_mammal_of_north_america/thesaurus/narrower
ChicagoSmart Define. 1970. "oligocene mammal of north america thesaurus" https://smartdefine.org/oligocene_mammal_of_north_america/thesaurus/narrower (accessed October 2, 2026).
HarvardSmart Define 1970, oligocene mammal of north america thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/oligocene_mammal_of_north_america/thesaurus/narrower>.
MLASmart Define. "oligocene mammal of north america thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/oligocene_mammal_of_north_america/thesaurus/narrower>