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Re: Dinosaur "baculae"

At 09:53 AM 9/13/95 -0400, Ronald Orenstein wrote:
>Hemipenes are (as the name implies)
>paired structures on either side of the cloacal opening

     Actually, the name incorrectly implies "half" rather than two.

> in lizards (all? some?)

     All, as well as in snakes. The possession of a pair of hemipenis is
characteristic of living male lepidosaurs. See, for example: Zug, George R.,
1993, _Herpetology: An Introductory Biology of Amphibians and Reptiles_,
Academic Press, Inc. (a number of my photographs appear in the text).

-= Tuck =-