This tree diagram shows the relationships between several groups of organisms.
The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.
You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names of descendent subgroups to travel up the Tree of Life all the way to individual species.close box
Johnson, K.P. and S.M. Lanyon 1999. Molecular systematics of the grackles and allies, and the effect of additional sequence (CYT-b and ND2). Auk 116:759-768.
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- First online 13 October 2006
- Content changed 13 October 2006
Citing this page:
Tree of Life Web Project. 2006. Agelasticus. Version 13 October 2006 (temporary). http://tolweb.org/Agelasticus/67393/2006.10.13 in The Tree of Life Web Project, http://tolweb.org/