NORTH 03? MOUNT DIABLO 



289 



FAVNAL LIST 



The following is a preliminary list of the Meganos species obtained 

 from the section described above. The majority of these came from one 

 liorizon^ the sandstones of division D ; a few species were found in the fine 

 sandstones of division E : 



sp. 



n. sp., sp. 



n. sp., sp. 



r'elecypoda : 



Acila gahhiana Dickerson. 



Antigona, n. sp. 



Avicula, n. sp. 



Cardium marysvillensis Dickerson. 



Cardium hrewerii Gabb, n. subsp. 



Corl)ula, n. sp. 



Crassatellites grandis (Gabb), n. 



subsp. 

 Crassatellites, n. sp. 

 Crassatellites, n. sp. 

 Dosinia, n. sp. 

 JHplodonta, n. sp. 

 Ficopsis, n. sp. 

 Glycimeris, n. sp. 

 Leda gahhi Conrad, n. subsp.? 

 Leda, n. sp. 

 Leda sp. 



Marcia (?) conradi Dickerson. 

 Meretrixf dalli Dickerson. 

 Meretrix? cf. ovalis Gabb. 

 Meretrixf n. sp. 

 Macrocallista, n. sp. aff. M. conradi 



(Gabb). 

 Modiolus ornatus Gabb. 

 Ostrea sp. 

 Phacoides, n. sp. 

 Pholasf sp. 

 PsammoMa, n. sp. 

 ^olemya, n. sp. 

 ^olen stantoni Weaver. 

 ^pisula merriami Packard. 

 Tellina, n. sp., sp. A. 

 Tellina, n. sp., sp. B. 

 Tellina, n. sp., sp. G. 

 Tellina sp. 

 Venericardia planicosta cf. var. 



hornii Gabb. 



COMPARISON OF MEGANOS ANf> TEJON FAUNAS 



At the present time 68 described species of invertebrates are known 

 from the Tejon beds on the north side o;: Mount Diablo; most of these 



Gastropoda : 



.ictwon, n. sp. 



Aplustrum? n. 



ArcMtectonica, 



Architectonica, 



Bracliyspingus? n. sp. 



Chrysodomus, n. sp. 



Chrysodomus, n. sp. 



Fusinus, n. sp. 



Galleodea, n. sp. 



Galleodea sutterensis Dicl^erson. 



Haminea, n. sp. 



Natica gesteri Dickerson. 



Natica hornii Gabb. 



Neptunea, n. sp. 



Oliva, n. sp. 



Pseudoliva, n. sp, 



Siphonaliaf sp. 



Surcula, n. sp. 



Scaphander, n. sp. 



Turris, n. sp., sp. A. 



Turris, n. sp., sp. B. 



Turris, n. sp., sp. C. 



Turritella reversa Waring. 



Turritella merriami Dickerson, 

 n. var. 



Turritella, li. sp. 

 Scaphoda : 



Dcntalimn cooperii Gabb. 

 Cei)halopoda: 



A Nautjloid, genus indt. 

 Anthozoa : / 



Turhinplia sp. 

 . FlaheHum, n. sp. 

 Echinodermata : 



Schihster leconteii. 

 I 



