Synonyms|6Antonyms|13|Broader|21Narrower|27Related|83

5 entries under classification topic. ×

6
extinct birds(expression, animal, species)
5
extinct insects(expression, animal, species)
4
extinct arachnids(expression, animal, species)
4
extinct mammals(expression, animal, species)
3
extinct cetaceans(expression, animal, species)
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APASmart Define. (1970). extinct species thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extinct_species/thesaurus/narrower
ChicagoSmart Define. 1970. "extinct species thesaurus" https://smartdefine.org/extinct_species/thesaurus/narrower (accessed September 24, 2026).
HarvardSmart Define 1970, extinct species thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extinct_species/thesaurus/narrower>.
MLASmart Define. "extinct species thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/extinct_species/thesaurus/narrower>