plesiomorphic

EnglishEdit

EtymologyEdit

plesiomorph +‎ -ic

PronunciationEdit

AdjectiveEdit

plesiomorphic (comparative more plesiomorphic, superlative most plesiomorphic)

  1. (cladistics) Sharing a character state with an ancestral clade; primitive.
    • 2000, Christine A. Nalepa and Claudio Bandi,"Paedomorphosis and Termite Evolution," in Termites: Evolution, Sociality, Symbioses, Ecology [1], ISBN 0792363612, page 68:
      [T]he cockroach Polyphaga may represent a condition more plesiomorphic than in other Dictyoptera, but it could as well be paedomorphic, and therefore more derived than in other Dictyoptera [72].

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Last modified on 18 June 2013, at 01:02