Definition of pseudoextinction in English:

pseudoextinction

Syllabification: pseu·do·ex·tinc·tion
Pronunciation: /ˌso͞odō-ikˈstiNGkSHən
 
/

noun

Paleontology
  • The apparent extinction of a group of organisms with the survival of modified descendant forms.
    More example sentences
    • The nature of mass extinctions in particular has been distorted by a combination of post-extinction sampling bias and associated pseudoextinction of paraphyletic groups.
    • For the purpose of calculating community similarity, species that are part of possible phyletic sequences were synonymized to correct for pseudoextinction.
    • The subsequent extinction of the family may be a pseudoextinction, because the Palaeoxanthopsidae may have given rise to many of the extant lineages comprising the Xanthoidea.

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