Authors: TARMO TIMM
Abstract: The 'naturality' of monophyletic taxa in comparison with that of paraphyletic ones is discussed, with examples from Clitellata. Regular scientific names for paraphyletic taxa are inevitable in a workable biological classification.
Keywords: Paraphyly, monophyly, holophyly, Oligochaeta, Clitellata, Tubificidae, Naididae
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