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Iguania

Kevin de Queiroz and Emilia P. Martins
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 Flap-necked Chamaeleon (Chamaeleo dilepis), Tanzania
taxon links [up-->]Phrynosomatidae [down<--]Squamata Interpreting the tree
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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.

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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.

For more information on ToL tree formatting, please see Interpreting the Tree or Classification. To learn more about phylogenetic trees, please visit our Phylogenetic Biology pages.

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Tree modified from Frost and Etheridge (1989)
Containing group: Squamata

References

Estes, R., K. de Queiroz, and J. Gauthier. 1988. Phylogenetic relationships within Squamata. Pages 119-281 in R. Estes and G. Pregill, eds., Phylogenetic relationships of the lizard families. Essays commemorating Charles L. Camp, Stanford University Press, Stanford, California.

Etheridge, R. 1964. The skeletal morphology and systematic relationships of sceloporine lizards. Copeia 1964:610-631.

Etheridge, R. 1965. The abdominal skeleton of lizards in the family Iguanidae. Herpetologica 21:161-168.

Etheridge, R. 1967. Lizard caudal vertebrae. Copeia 1967:699-721.

Etheridge, R., and K. de Queiroz. 1988. A phylogeny of Iguanidae. Pages 283-367 in R. Estes and G. Pregill, eds., Phylogenetic relationships of the lizard families. Essays commemorating Charles L. Camp, Stanford University Press, Stanford.

Frost, D.R. and R. Etheridge. 1989. A phylogenetic analysis and taxonomy of Iguanian lizards (Reptilia: Squamata). University of Kansas, Museum of Natural History Miscellaneous Publications, No. 81, pp. 1-65.

Miles, D.B., and A.E. Dunham. 1992. Comparative analyses of phylogenetic effects in the life-history patterns of iguanid reptiles. Am. Nat. 139:848-869.

Paull, D., E.E. Williams, and W.P. Hall. 1976. Lizard karyotypes from the Galapagos Islands: Chromosomes in phylogeny and evolution. Breviora (441):1-31.

Savage, J.M. 1958. The iguanid lizard genera Urosaurus and Uta, with remarks on related groups. Zoologica 43:41-54.

Wyles, J.S. 1980. Phylogenetic studies of iguanid lizards (Lacertilia: Iguanidae). Ph.D. dissertation, University of California, Los Angeles.

Zug, G.R. 1971. The distribution and patterns of the major arteries of the iguanids and comments on the intergeneric relationships of iguanids (Reptilia: Lacertilia). Smithson. Contrib. Zool. (83):1-23.

Title Illustrations
Click on an image to view larger version & data in a new window
Click on an image to view larger version & data in a new window
Scientific Name Basiliscus plumifrons
Location La Selva, Costa Rica
Specimen Condition Live Specimen
Copyright © Greg and Marybeth Dimijian
Flap-necked Chamaeleon (Chamaeleo dilepis), Tanzania
Scientific Name Chamaeleo dilepis
Location Lake Eyasi, Tanzania
Specimen Condition Live Specimen
Identified By David Bygott
Life Cycle Stage Adult
View Lateral
Size c. 30cm
Copyright © 2005
Scientific Name Amblyrhynchus cristatus
Location Galapagos
Specimen Condition Live Specimen
Source The swimming lizard
Source Collection Flickr
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs License - Version 2.0.
Copyright © 2005 Michel
About This Page

Kevin de Queiroz
Smithsonian National Museum of Natural History, Washington, D. C., USA

Emilia P. Martins
Indiana University, Bloomington, Indiana, USA

Correspondence regarding this page should be directed to Emilia P. Martins at

Page: Tree of Life Iguania. Authored by Kevin de Queiroz and Emilia P. Martins. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.

Citing this page:

de Queiroz, Kevin and Emilia P. Martins. 1996. Iguania. Version 01 January 1996 (temporary). http://tolweb.org/Iguania/17559/1996.01.01 in The Tree of Life Web Project, http://tolweb.org/

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This page is a Tree of Life Branch Page.

Each ToL branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the Tree of Life. The major distinction between a branch and a leaf of the Tree of Life is that each branch can be further subdivided into descendent branches, that is, subgroups representing distinct genetic lineages.

For a more detailed explanation of the different ToL page types, have a look at the Structure of the Tree of Life page.

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