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37 entries under mammal topic. ×

2
Adilophontes(noun, america, oligocene)
2
Aetiocetus(noun, america, oligocene)
2
Agnotocastor(noun, america, oligocene)
2
Agriochoerus(noun, america, oligocene)
2
Archaeocyon(noun, america, oligocene)
2
Caedocyon(noun, america, oligocene)
2
Chonecetus(noun, america, oligocene)
2
Cornwallius(noun, america, oligocene)
2
Diceratherium(noun, america, oligocene)
2
Dinaelurus(noun, america, oligocene)
2
Drassonax(noun, america, oligocene)
2
Ectopocynus(noun, america, oligocene)
2
Ekgmowechashala(noun, america, oligocene)
2
Gustafsonia(noun, america, oligocene)
2
Hypertragulus(noun, america, oligocene)
2
Kentriodon(noun, america, oligocene)
2
Leptomeryx(noun, america, oligocene)
2
Merychyus(noun, america, oligocene)
2
Merycochoerus(noun, america, oligocene)
2
Merycoides(noun, america, 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>