170 entries under noun topic. ×

3
Megabat(creature, appearance, eocene, geogistory)
3
Mercenaria(creature, appearance, eocene, geogistory)
3
Metacarcinus(creature, appearance, eocene, geogistory)
3
Microbiotheria(creature, geohistory, paleocene)
3
Microbiotheriidae(creature, geohistory, paleocene)
3
Mongoose(creature, appearance, eocene, geogistory)
3
Mousebir(creature, geohistory, paleocene)
3
Muscicapoidea(creature, appearance, eocene, geogistory)
3
Nandiniidae(creature, geohistory, lutetian)
3
Nebrius(creature, geohistory, paleocene)
3
Necturus(creature, geohistory, paleocene)
3
Nephrops(creature, appearance, eocene, geogistory)
3
Notoplax(creature, appearance, eocene, geogistory)
3
Notoptera(creature, geohistory, ypresian)
3
Oregonia(creature, appearance, eocene, geogistory)
3
Ornithorhynchidae(creature, geohistory, paleocene)
3
Owl(creature, geohistory, paleocene)
3
Paenungulata(creature, geohistory, paleocene)
3
Pangolin(creature, geohistory, paleocene)
3
Parrot(creature, geohistory, ypresian)
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APASmart Define. (1970). extant eocene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant eocene first appearance thesaurus" https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, extant eocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant eocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>