UPPER CRETACEOUS MARSUPIALIA 



123 



A 



r- D 



D 



- HI 



Al 



Al 



4r^ n^" mr-r^rr^ 



II 



— El 



Tne* irCaontd 



tri^cn-ia 



Fig. 46. Lance didelphids and ? insectivore. A-B, Pediomys, sensu 

 lato. A, cotypes of Protolambda haUheri. C, Synconodon sexcuspis, 

 cotypes. D, didelphodontine last upper molars. E, Didelphodon 

 vorax, t>'pe. F, Ectoconodon (the lower figure is of the type of E. 

 fetersoni, and is a right molar, not a left as labeled). G, Gypsonic- 

 topsf HI, Al, II, El, various lower molars. Reproduction of Osborn 

 1893A, PI. VIII. 



