| The mystic notion that the human soul will live forever after death has had a polyphyletic origin. |
| Groups that do not contain the common ancestor, and therefore had two separate origins, are said to be polyphyletic. |
| But what are we to say with regard to the series of repeated accidents which the polyphyletic hypothesis would seem to demand? |
| He believed in saltatory evolution, in polyphyletic descent, and in the greater plasticity of the organism in earlier times. |
| Griffiths clearly showed that Noble's Brachycephalidae was a polyphyletic assemblage. |
| A simple form taxon, such as Chuaria circularis, may embrace a polyphyletic array of organisms that includes cyanobacteria as well as protists. |
