148 AMERICAN MESOZOIC MAMMALIA 



WORLD CORRELATION AND 

 DISTRIBUTION 



One or more specimens of Mesozoic mammals are now known from each of the follow- 

 ing localities and horizons in the world : 



Fig. 59. Known occurrences of Mesozoic mammals. The numbers correspond to those in the text. 

 Base, zobgeographic chart from The American Museum of Natural History. 



RHAETIC OR LOWEST LIASSIC 



1. Wiirttemberg, Germany. (Several localities in same region.) 



2. Watchet, Somersetshire, England. 



3. Holwell, Somersetshire, England. 



4. Basutoland, South Africa. 



5. Kaokofeld, Southwest Africa. 



MIDDLE JURASSIC 



6. Stonesfield, Oxfordshire, England. 



