l'age des formations sedimentaires de patagonie 2*21 



Mamuialia 



UNGULATA 



Protypotherium claudum Amgh. 



> altenuatum Amgh. 



Patriarclius palmidens Amgh. 

 Icochilus excavatus Amgh. 

 » undulatus Amgh. 

 Hegetotherium slrigatum Amgh. (Si.) 



» convexum Amgh. 



Selatherium pachymorphum Amgh. 

 Nesodon andkim Amgh. 

 Xotoprodon solidus Amgh. 

 Adinotheriu?nmagister Amgh. (Si.) 

 » splendidum Amgh. 



» robustum Amgh. 



Acrotherium karaikense Amgh. 

 Stenotephanos speciosus Amgh. 

 Phoberotherium sylvaticum Amgh. 

 Astrapolherium delimüatum Amgh. 

 Planodus ursinus Amgh. 

 ProterolJierium australe (Burm.) 

 Protherotherium cavum? Amgh. (S.) 



» cingulatum Amgh. 



Licaphrium parvulum (Si.) Amgh. 



» tenuae Amgh. 



Tlwatherium minusculum Amgh. (Si.) 

 Adianlus bucalus Amgh. (Si.) 

 Notohippus toxodontoidcs Amgh. 

 Diorotherium aegregium Amgh. 



RODENTIA 



Steiromys duplicatus Amgh. (Si.) 

 Acaremys karaikensis Amgh. 



