TINTON BEDS. 149 



Trigonia cerulia Whitf. 

 Veniella trigona Gabb. 

 Crassatellites subpldmis (Con.). 

 Cardium kummeli n. sp. 



GASTROPODA. 



Several undetermined species. 



CEPHALOPODA. 



Sphenodiscus lobatus (Tuom.). 



CRUSTACEA. 



Callianassa mortoni Pilsb. 



Locality I2$P. This bed has yielded the following fauna: 



BRACHIOPODA. 

 Lingula sp. 



PELECYPODA.* ' 



Nemodon eufaulensis Gabb. 

 Cucullaea tip p ana Con. 

 Axinea subaustralis d'Orb. 

 Ostrea nasuta Mort. 

 Gryphaea sp. 

 Exogyra costata Say. 

 Trigonia cerulia Whitf. 

 Veniella trigona Gabb. 

 Crassatellites subplanus (Con.). 

 Cardium kummeli n. sp. 

 Cardium sp. 

 Meretrix ? sp. 



GASTROPODA. 



Pyropsis trochiformis (Tuom.). 

 Several undermined species. 



