Definition of pseudoextinction in English:

pseudoextinction

noun

  • [mass noun] The apparent extinction of a group of organisms of which modified descendant forms survive.

    • ‘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.’
    • ‘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.’

Pronunciation

pseudoextinction

/ˌsjuːdəʊɪkˈstɪŋ(k)ʃ(ə)n/