UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 7, No. 12, pp. 257-298, pis. 11-14 Issued April 29, 1913 



FAUNA OF THE EOCENE AT MARYSVILLE 

 BUTTES, CALIFORNIA 



BY 



ROY E. DICKEESON 



CONTENTS 



PAGE 



'Introduction - 258 



Eeview of Literature 258 



Stratigraphic Relations and Lithology of Marysville Buttes Eocene.... 261 

 List of the Fauna from the Uppermost Eocene of Marysville Buttes.... 262 



Bathymetric Belations of the Fauna 265 



Climatic Conditions during Accumulation of Marysville Buttes Eocene.— 267 



Geography of the Tejon Sea 268 



Zonal Position of the Marysville Buttes Fauna 270 



The Tejon East of South Butte 273 



Summary - 274 



Description of Species 274 



Synechodus, sp 274 



Turris monolifera (Coojier) 275 



Turris andersoni, n.sp 275 



Turris suturalis (Cooper) 276 



Turris inconstans (Cooper) 276 



Turris perkinsiana (Cooper) 277 



Drillia ullreyana Cooper 277 



Sureula elarki, n.sp 278 



Surcula erenatospira Cooper 278 



Sureula holwayi, n.sp 279 



Surcula davisiana (Cooper) 279 



Cordiera gracillima Cooper 280 



Fusinus (Priscofusus) lineatus, n.sp 281 



Terebra wattsiana Cooper 281 



Cancellaria stantoni, n.sp 282 



Cancellaria irelaniana Cooper 282 



Siphonalia sutterensis, n.sp 283 



Astyris, sp 283 



Clavella tabulata, n.sp 283 



