UPPER CRETACEOUS MARSUPIALIA 



121 



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YP-MliaZ? 

 Posterior 



3 



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F 



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YP-A!/J6^9 



G 



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Fig. 45. Lance didelphid upper molars. A, Didelphodon vorax, type. B-D, Pediomys (or Protolambda) 

 haUheri, M*"'. E, Pediomys sp., F, Alphadon marshi, type. G, Ecloconodon sp. H, Nyssodon punctidens, 

 type. I, Didelphodontine, last upper molar. All six times natural size. 



