UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



, ^sonian 



GEOLOGY /c^ lt *f/ 



Vol. 10, No. 4, pp. 39-62, plates 1-2 Issued Octobel^l, fiffe^ 2 1 1916 £ 



/0 nal Museu^, 



FAUNA OF THE FERNANDO OF LOS ANGELES 



BY 



CLAKENCE L. MOODY 



CONTENTS 



PAGE 



Introduction 39 



Occurrence 40 



Previous knowledge of related occurrences 40 



List of species 42 



Faunal summary 46 



General features of the fauna 46 



Comparison with related faunas 48 



Description of species 51 



Epitonium (Opalia) retiporosa Carpenter 51 



Siphonalia gilberti, n.sp 51 



Chrysodomus dims meridiei, n.var 52 



Trophon raymondi, n.sp 53 



Columbella constantia, n.sp 53 



Tunis (Drillia) modestus, n.sp 54 



Borsonia inculta, n.sp 54 



Mangilia muricidea, n.sp 55 



Cancellaria quadrata, n.sp 56 



Pecten (Propeamusium) levis, n.sp 56 



Macrocallista densa, n.sp 58 



Corbula tenuis, n.sp 59 



Introduction 



In the course of excavation work on Fourth Street, Los Angeles, 

 in the fall of 1913, fossil-bearing beds were encountered which have 

 yielded a marine fauna possessing several features that may prove 

 of some importance in the final solution of the problem of late 

 Tertiary history of the southern Coast Ranges of California. Mr. 

 J. Z. Gilbert, of the Los Angeles High School, learned of the dis- 

 covery of shells by the workmen, and took steps to secure such 

 specimens as were available. Due to his painstaking and systematic 



