Pubic bones and Anal fins

Questions on pubic bones, an item common in the male members of most
tetrapod species. Humans and bonobos don't have any, but this makes
pubic bones even more interesting.
1) How did pubic bones evolve in tetrapods?
2) Are pubic bones in tetrapods homologous to anal fins in fish?
3) Are there any plausible theories on how pubic bones are used in
extant animals?


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Relevant Pages

  • Re: Pubic bones and Anal fins
    ... How did pubic bones evolve in tetrapods? ... Are pubic bones in tetrapods homologous to anal fins in fish? ... primary role as a pre-zygotic species isolating mechanism. ...
    (sci.bio.evolution)
  • Re: Pubic bones and Anal fins
    ... How did pubic bones evolve in tetrapods? ... Are pubic bones in tetrapods homologous to anal fins in fish? ... primary role as a pre-zygotic species isolating mechanism. ...
    (sci.bio.evolution)