Need help locating boilogy information

[Chris G. Murphy]

I am trying to find some information on the evolution and development of 
locomotory structures on amphibians and reptiles. Particularly interested 
in the subclass LABYRINTHODONTIA....of class amphibia,  and the 
subclass LISSAMPHIBIA...of class reptilia.
Would appreciate any assistance in locating any and all info available. 
Please mail if you can help. 
Thank-you.
Chris
  

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Chris G. Murphy
cgmurphy at calvin.stemnet.nf.ca