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Copyright © 2000-2005 D.J.
Eernisse. All Rights Reserved.
Introduction to Phylogeny:
Rotating a Cladogram at a Node
![](../im/clade_logo.jpg)
Cladograms can be rotated at any node without changing the relationships
between sister taxa. In fact, all that matters in a cladogram is which lineages (taxa) descend from which particular
nodes. Rotation does not change these relationships. It is like an upside down hanging mobile, with individual parts free to swivel freely at
the thread attachment points (nodes). One possible rotation is illustrated below.
Send Comments or Questions to Douglas J. Eernisse
deernisse@fullerton.edu
This page was first written on August 31, 2000 and last modified
on February 22, 2005.
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