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Bellamya sp., from Australia. In the Viviparidae (so named because they give birth to small young snails rather than laying eggs), males lack a normal penis, but instead use a modified right tentacle, which is stouter and usually shorter than the normal left tentacle.
2008/10/12 09:06:57.893 GMT-4
To cite this page: 2000. "Viviparidae" (On-line), Animal Diversity Web. Accessed October 12, 2008 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Viviparidae.html.
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