Vol. 6] Dickerson: 



Martinez Formation. 



173 



fauna of this bed is represented by numerous well- 



preserved 



specimens. The following 



list of species corresponds 



closely to 



the fauna of the Martinez at the type locality 







MARTINEZ FAUNA NORTH OF MT. 



DIABLO. 







Chieo 



Martinez 



Tejon 



Flabellum remondianum 







•X- 



Trococyathus zitteli 





— r* 





Cidaris, sp.( ?) 





V 





Anatina tyroniana (?) 





w 

 V 





Cardium cooperi 







f 



Crassatella unioides 





-X-* 





Cucullaea matJiewsoni 





#■* 





Leda alaefonnis 





#* 





Leda gabbi 





* 





Lima (?) multiradiata 





*-* 





Lima (?) n. sp. 





V 





Lucina ( ?) n. sp. 





V 





Mactra ( ?) n. sp. 





V 





Nucula truncata 



* 



* 



■X- 



Pholadomya nasuta 









Pectunculus veatclrii, var. 



major 



** 





Tapes quadrata 









Tellina horui 





* 



* 



Tellina undulifera 





-** 





Teredo, sp. 





V 





Zirphaea, sp. 





V 





Nucula, sp. 





V 





Ampullina striata 









Anchura, n. sp. (a) 





V 





Anchura, n. sp. (b) 





V 





Br achy spiling us liratus 





* 



■K- 



* Common. 



t Bare. 

 ** Characteristic. 

 V Unfixed, 



