Synonyms|0Antonyms|0|Broader|2Narrower|15Related|337

219 entries under appearance topic. ×

4
Numidotheriidae(noun, creature, paleocene)
4
Obdurodon(noun, creature, paleocene)
4
Octodontotherium(noun, creature, oligocene)
4
Oldfieldthomasiidae(noun, creature, paleocene)
4
Oligopithecidae(noun, creature, eocene)
4
Omomyidae(noun, creature, paleocene)
4
Orohippus(noun, creature, eocene)
4
Oromerycidae(noun, creature, eocene)
4
Orophodontidae(noun, creature, oligocene)
4
Oxyaena(noun, creature, paleocene)
4
Pagrus(noun, creature, eocene)
4
Pakicetidae(noun, creature, eocene)
4
Palaeoamasiidae(noun, creature, eocene)
4
Palaeocarpilius(noun, creature, eocene)
4
Palaeochiropterygidae(noun, creature, eocene)
4
Palaeogale(noun, creature, eocene)
4
Palaeomerycidae(noun, creature, eocene)
4
Palaeonictis(noun, creature, paleocene)
4
Palaeotheriidae(noun, creature, eocene)
4
Pampatheriidae(noun, creature, oligocene)
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APASmart Define. (1970). paleogene first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "paleogene first appearance thesaurus" https://smartdefine.org/paleogene_first_appearance/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, paleogene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "paleogene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>