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72 entries under extinction topic. ×

2
Ptilodontoidea(noun, fauna, eocene)
2
Sclerorhynchidae(noun, fauna, eocene)
2
Sophiornithidae(noun, fauna, eocene)
2
Tillodontia(noun, fauna, eocene)
2
Triisodontidae(noun, fauna, eocene)
2
Uintatheriidae(noun, fauna, eocene)
2
Viverravidae(noun, fauna, eocene)
2
Xenungulata(noun, fauna, eocene)
1
cretaceous-paleogene boundary(noun, geohistory, eocene)
1
paleocene extinction(noun, fauna, eocene)
1
paleogene extinction(noun, geohistory, eocene)
1
paleogene genus extinction(noun, fauna, eocene)
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APASmart Define. (1970). palaeochiropterygidae thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/palaeochiropterygidae/thesaurus/related
ChicagoSmart Define. 1970. "palaeochiropterygidae thesaurus" https://smartdefine.org/palaeochiropterygidae/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, palaeochiropterygidae thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/palaeochiropterygidae/thesaurus/related>.
MLASmart Define. "palaeochiropterygidae thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/palaeochiropterygidae/thesaurus/related>