220 



University of California Publications in Geology [Vol. 10 



FAUNAL LIST OF THE ETCHEGOIN OF THE COALINGA 

 DISTRICT — (Continued) 



0) 





Eh 



0) N 



."ti ci 



D CO 



*j o 







Periploma argentaria Conrad ... . 



Petricola carditoides (Conrad) 



Phacoides annulatus (Reeve) /'„.. 



Phacoides richthofeni (Gabb) R 



Phacoides sanctaecrusis Arnold 



Pholadidea ovoidea Gould 



Placunanomia californica Arnold 



Psamobia edentula (Gabb) 



Psephis lordi (Baird) 



Sanguinolai ia nuttalli Conrad 



Saxidomus nuttalli Conrad 



Schizothaerus nuttalli Conrad C 



Seniele fausta, n. sp 



Semele rubropicta Dall 



Siliqua lucida (Conrad) C 



Solen sicarius Gould C 



Spisula albaria (Conrad) 



Spisula coalingensis (Arnold) 



Spisula falcata (Gould) 



Spisula hemphilli (Dall) C 



Tellina bo<legensis Hinds C 



Tivela trigonalis Nomland 



Thracia formosa, n. sp 



Thracia jaealitosana Arnold 



Transennella californica Arnold 



Yoldia cooperi Gabb 



Zirphaea crispata (Linne) 



R 



C 



UR 

 R 



p. 3 



X X 

 X X 

 X .... 



X 

 X 



X X 



X 

 X 



X X 

 X .... 



X 

 X 



X X 



Gastropoda 



Astralium arnoldi Nomland 



Calliostoma coalingensis Arnold C 



Calliostoma etchegoinensis Nomland 



Calliostoma kerri Arnold 



Calyptraea filosa (Gabb) C 



Cancellaria crassa, n. sp 



Cancellaria fernandoensis tribulis, n. 



var 



Cancellaria rapa, n. sp 



Cancellaria tritonidea Gabb 



Chrysodomus coalingensis Nomland 



Chrysodomus imperialis Dall R 



C 

 UR 



R 



(C indicates that the species is common; R indicates that the species is rare; D indicates 

 that the species is unknown outside of this horizon: X indicates other formations in which the 

 species is found.) 



