... question, drosen; thanks for posing it. drosen0000@wahoo.com wrote: The baculum (i.e., os penis) is a bone found in most mammal species other than human beings and pygmy chimpanzies (i.e., bonobos). Is there a feature similar to the baculum in structure (i.e., homologous) in nonmammalian species? Since none of the other vertebrate classes have a male copulatory organ homologous to ...

The baculum (i.e., os penis) is a bone found in most mammal species other than human beings and pygmy chimpanzies (i.e., bonobos). Is there a feature similar to the baculum in structure (i.e., homologous) in nonmammalian species? I know there are features that are close to the same location as the baculum in other species (thank you, Hoyt, for explaining these to me), showing ...