polyphyly (polyphyletic group)
Glossary of "Cladistics (2nd ed.)" by Kitching et al. (1998)
- (1) A group based on convergent characters. (2) A group based upon homoplastic characters assumed to have been absent in the most recent common ancestor of the group. (3) A group that does not include the most recent common ancestor of all its members. See also monophyly, paraphyly.
- Kitching, I. J., Forey, P. L. Humphries, C. J. & Williams, D. M. 1998. Cladistics, 2nd ed.: the Theory and Practice of Parsimony Analysis. -xii + 228 pp. Oxford University Press, New York.