UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 6, No. 13, pp. 317-327 Issued October 28, 1911 



NOTES ON THE RELATIONSHIPS OF THE 

 MARINE SAURIAN FAUNA DESCRIBED 

 FROM THE TRIASSIC OF SPITZ - 

 BERGEN BY WIMAN 



BY 



JOHN C. MEEEIAM 



CONTENTS 



PAGE 



Introduction 317 



Occurrence 318 



Mixosaurus( '?) nordenskioldii (Hulke) 318 



Pessosaurus polaris (Hulke) 323 



Pessopteryx 324 



Faunal Belationships 326 



INTRODUCTION 



Since Nordenskiold's discovery of a number of fragmentary 

 ichthyosaurian specimens in the Triassic of Spitzbergen in 1864 1 

 the hope has often been expressed that we might know more of 

 the saurian fauna of this interesting region. Though additional 

 material has been obtained from time to time, 2 it was not until 

 recently that any considerable number of specimens was brought 

 together for study. 



In 1908 and 1909 important collections were obtained at 

 Spitzbergen by Carl Wiman and Bertil HSgbohm, making pos- 



1 Hulke, I. W., Bih. till K. Vet. Akad. Handl. Bd. 1, No. 9. 1873. 



2 Yakowlew, N., Verh. d. Euss. Kais. Min. Ges. St. Petersb. Ser. 2, Bd. 

 40, p. 179. 1902. 



