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
Honey, J. G., J. A. Harrison, D. R. Prothero, and M. S. Stevens. 1998. Camelidae. Pages 439-462 in: Evolution of Tertiary Mammals of North America Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals. C. M. Janis, K. M. Scott, and L. L. Jacobs, eds. Cambridge University Press, Cambridge.
Joeckel, R. M. and J. M. Stavas. 1996. Basicranial anatomy of Syndyoceras cooki (Artiodactyla, Protoceratidae) and the need for a reappraisal of tylopod relationships. Journal of Vertebrate Paleontology 16(2):320-327.
Norris, C. A. 1999. The cranium of Bunomeryx (Artiodactyla : Homacodontidae) from the Upper Eocene Uinta deposits of Utah and its implications for tylopod systematics. Journal of Vertebrate Paleontology 19(4):742-751.
Norris, C. A. 2000. The cranium of Leptotragulus, a hornless protoceratid (Artiodactyla : Protoceratidae) from the middle Eocene of North America. Journal of Vertebrate Paleontology 20(2):341-348.
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- First online 23 February 2006
Citing this page:
Tree of Life Web Project. 2006. Tylopoda. Version 23 February 2006 (temporary). http://tolweb.org/Tylopoda/50862/2006.02.23 in The Tree of Life Web Project, http://tolweb.org/