1918] 



fan Winkle: Paleontology of the Oligocene 



75 



OLIGOCENE FAUNA 



a S 



l 





I'elecypoda 



Acila gettysburgensis Reagan 



Aciia shumardi Dall 



Astarte perrini Dickerson 



Anomia subcostata Conrad 



Area washingtoniana Dickerson 



Barbatia '"merriami n. sp 



Barbatia andersoni n. sp 



Barbatia gabbi Dickerson 



Cardium lorenzanum (Arnold) 



Cardium lincolnensis Weaver 



Cardita weaver! Dickerson 



Chama pacifica Dickerson 



Corbula cowlitzensis Dickerson 



Chione cathcartensis Weaver 



Callocallista arnoldi Weaver 



Crenella porterensis Weaver 



Crenella washingtonensis Weaver 



Crassatellites washingtonensis Weaver . . . 



Crassatellites lincolnensis Weaver 



Diplodonta dalli Dickerson 



Glycimeris chehalisensis Weaver 



Glycimeris andersoni Dickerson 



Leda wasbingtonensis Weaver 



Leda impressa Conrad 



Leda lincolnensis Weaver 



Leda merriami Dickerson 



Lima bella Dickerson 



Malletia chehalisensis Arnold 



Marrocallista pittsburgensis Dall 



^ta rocallista vespertina Conrad 



Macrocallista newcombi (Merriam) 



Macoma astori Dall 



Modiolus directus Dall 



Modiolus restorationensis n. sp 



Mytillus sammamishensis Weaver 



Mytillus buwaldana n. sp 



Mytillus snohomishensis Weaver 



Ostrea lincolnensis Weaver 



Panope estrellana Conrad 



Pandora washingtonensis Weaver 



Psammobia martini Dickerson 



Pecten peckhami Gabb 



Pecten branneri Arnold 



Pecten porterensis Weaver 



Pitaria dalli Weaver 



Pitaria clarki Dickerson 



Phacoides acutilineatus (Conrad) 



Paphia landesi n. sp 



Solemya ventricostata Conrad 



Solen curtus Conrad 



Solen lincolnensis Weaver 



Saxicava arnoldi Dickerson 



Semele reagani Dickerson 



Semele gayi Arnold 



Spisula packardi Dickerson 



Tellina obruta Conrad 



Tellina oregonensis Conrad 



Tellina congesta Conrad 



Tellina lincolnensis Weaver 



Tellina gibsonensis n. sp 



Tracia trapezoidea Conrad 



Thyasira bisecta Conrad 



Venericardia castor Dall 



Yoldia oregona Shumardi 



Yoldia impressa Conrad 



Yoldia sammamishensis Weaver 



Soaphopoda 



Dentalium substriatum Conrad 

 Dentalium stramineum Gabb. . . 





