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Identification

Triodopsis tridentata (northern three-tooth)

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Image of: Triodopsis tridentata (northern three-tooth)

Caption

Tridopsis tridentata, Eastern North America. Both genus and species names refer to the three barriers ("teeth') in the shell aperture (not visible here). These barriers keep potential predators out of the shell when the snail is retracted.

Contributors

Dr. John B. Burch, Ph.D. external link (photographer, copyright holder), Mollusk Division, Museum of Zoology, University of Michigan


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University of Michigan Museum of Zoology National Science Foundation Citation: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed November 29, 2009 at http://animaldiversity.org.
Sponsored in part by the Interagency Education Research Initiative,
the Homeland Foundation and the University of Michigan Museum of Zoology.
This material is based upon work supported by the National Science Foundation under Grants DUE-0633095 and DRL-0628151.
The ADW Team gratefully acknowledges their support. Report Error — Comment
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