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File:Monophyletic2.png

A monophyly

File:Monophyly, paraphyly, polyphyly.png

Cladogram of the primates, showing a monophyly (the simians, in yellow), a paraphyly (the prosimians, in blue, including the red patch), and a polyphyly (the night-active primates, the lorises and the tarsiers, in red).

Term for the "one line of descent" origin of birds [or animals]. According to Mayr (1942), it means "descendants of a single interbreeding group of populations, in other words, descendants of a single species."[1][2].

References

  1. ^ Mayr, E. (1942). Systematics and the origin of species. New York: Columbia University Press.
  2. ^ Terres, John K. (1980). The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, Inc. ISBN 0394466519. 

See also

Anatomy of an amiotic egg This article is part of Project Glossary, an All Birds project that aims to write comprehensive articles on each term related to animals.


File:File:CollapsedtreeLabels-simplified.svg This article is part of Project Phylogenetics, a All Birds project that aims to write comprehensive articles on each phylogenetic term.


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