Pseudoextinction

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    phyletic extinction; the situation where all members of a species are extinct, but members of a daughter species remain alive countable, uncountable

Etymology

From pseudo- + extinction.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.