| 释义 |
polyphyly Biol.|ˈpɒlɪˌfaɪlɪ|
[f. poly- + Gr. ϕυλή tribe.]
= polyphylesis.
1927Q. Jrnl. Geol. Soc. LXXXII. p. ci, The whole of our System..is riddled through and through with polyphyly and convergence. 1961G. G. Simpson Princ. Animal Taxon. iv. 124 The level of polyphyly is specified by the category of the highest ranking taxa two or more of which were immediately ancestral to the taxon in question. 1963Davis & Heywood Princ. Angiosperm Taxon. ii. 47 Proved or suspected polyphyly may lead us to see if there is a way of reclassifying the group into monophyletic units. 1978BioSystems X. 110/1 Later modifications..considerably reduce this polyphyly, but at the expense of making the Protista even more of a rag bag. |