170 entries under noun topic. ×

3
Rhinochimaeridae(creature, appearance, eocene, geogistory)
3
Rhizoprionodon(creature, geohistory, ypresian)
3
Ruminantia(creature, geohistory, ypresian)
3
Scaphella(creature, geohistory, paleocene)
3
Schizaster(creature, geohistory, paleocene)
3
Sciaenidae(creature, appearance, eocene, geogistory)
3
Scutella(creature, appearance, eocene, geogistory)
3
Scutellidae(creature, appearance, eocene, geogistory)
3
Scyllarides(creature, geohistory, ypresian)
3
Smooth-hound(creature, geohistory, ypresian)
3
Somniosus(creature, appearance, eocene, geogistory)
3
Speocarcinus(creature, geohistory, ypresian)
3
Strisores(creature, geohistory, paleocene)
3
Struthionidae(creature, geohistory, paleocene)
3
Suidae(creature, appearance, eocene, geogistory)
3
Sulidae(creature, geohistory, paleocene)
3
Sylvioidea(creature, appearance, eocene, geogistory)
3
Tapir(creature, geohistory, ypresian)
3
Tarsier(creature, geohistory, lutetian)
3
Tarsiiformes(creature, geohistory, paleocene)
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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>