PLAT xe: 
DIPLOGNATHUS MIRABILIS, Newb. (p. 159). 
Fic. 1. Right dentary bone, outside. 
2. Right dentary bone, inside. 
3. Right dentary bone, from above. 
4. Left dentary bone of another individual, seen from inside and showing deep pit for insertion 
of ligament at symphysis. 
All two-thirds natural size. Cleveland shale, Sheffield, Ohio. 
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