Definition of pseudoextinction in English:

Share this entry

pseudoextinction

Pronunciation: /ˌso͞odōikˈstiNG(k)SH(ə)n/

noun

Paleontology
The apparent extinction of a group of organisms with the survival of modified descendant forms.
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.

For editors and proofreaders

Syllabification: pseu·do·ex·tinc·tion

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.