PURBECK FORMATIONS. 



115 



LYENCEPHALA 



Table of Genera of Mesozoic Mammals. 



\ Microlestes. 



Jmphitherium. 



Spalacotherium. 



, , , Dromatherium. 



more than the type-number , , , , . 

 , , ., . J Amoiotnerium. 



(multiuentate) • i n ? ^ 



^ Ferakstes. 



Achyrodon. 



Peraspalax. 



Peramus. 

 ^Stylodon. 

 /■ Phascolotherium. 

 in type-number (typodentate) } Triacanthodon 

 C TricoHodon. 





less than the type-number 

 >' y (paucidentate) . . . Plagiaulax. 



^ « 



INCERTjE sedis. 



Stereognathus. Bolodon. 



PHINTED BY J. E. ADLAED, BARTHOLOMEW CLOSE. 



