1
Mitsukurina(noun, animal, geohistory, appearance)
1
Molidae(noun, animal, geohistory, appearance)
1
Monkey(noun, animal, geohistory, appearance)
1
Monodactylidae(noun, animal, geohistory, appearance)
1
Morone(noun, animal, geohistory, appearance)
1
Muroidea(noun, animal, geohistory, appearance)
1
Myomorpha(noun, animal, geohistory, appearance)
1
Mysticeti(noun, animal, geohistory, appearance)
1
Myzopodidae(noun, animal, geohistory, appearance)
1
Naso(noun, animal, geohistory, appearance)
1
Natica(noun, animal, geohistory, appearance)
1
Negaprion(noun, animal, geohistory, appearance)
1
New World vulture(expression, animal, geohistory, appearance)
1
Old World silverside(expression, animal, geohistory, appearance)
1
Ophichthidae(noun, animal, geohistory, appearance)
1
Opisthocomidae(noun, animal, geohistory, appearance)
1
Ostracoberyx(noun, animal, geohistory, appearance)
1
Pagellus(noun, animal, geohistory, appearance)
1
Pan-Alcidae(noun, animal, geohistory, appearance)
1
Passerine(noun, animal, geohistory, appearance)
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APASmart Define. (1970). extant eocene first appearance thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extant_eocene_first_appearance/thesaurus/narrower
ChicagoSmart Define. 1970. "extant eocene first appearance thesaurus" https://smartdefine.org/extant_eocene_first_appearance/thesaurus/narrower (accessed September 28, 2026).
HarvardSmart Define 1970, extant eocene first appearance thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/narrower>.
MLASmart Define. "extant eocene first appearance thesaurus" 1 January 1970. Web. 28 September 2026. <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/narrower>