CONTENTS 



LIST OF ILLUSTRATIONS 



DISCOVERY 



LOCALITY 



GEOLOGICAL AGE 



CONDITIONS OF PRESERVAL 



ASSOCIATED MATERIAL 



EXTENT OF MATERIAL 



MORPHOLOGY 



ENDOSKELETON 



AXIAL SKELETON 



SKULL, TEETH, SYMPHYSEAL OSSICLE, STYLOHYAL, AND 



MALLEUS 

 VERTEBRAL COLUMN, RIBS, AND STERNALS 

 APPENDICULAR SKELETON 

 FORE LIMBS 

 HIND LIMBS 

 FOOT POSTURE 

 EXOSKELETON 



HIDE, HAIR, CLAWS 



RESTORATION 



COPROLITE AND INFERRED FEEDING HABITS 



TAXONOMY 



FAMILY 



GENUS 



SPECIES 



BIBLIOGRAPHY 



IX 



i 

 i 

 4 

 5 

 5 

 5 

 6 

 6 



12 



16 



17 

 17 

 19 



21 



