AKNOLD — THE PALEONTOLOGY AND STKATKiHAPHY OF SAN PEDRO. 



37 



Mylilimeria nutCalU Conrad 



Necera pecthiala Carpenter 



Nticula {Acila) caslrensis Hinds 



Nncula supraslriata Carpenter 



Oslrea Itirida Carpenter 



Panoviya ampla Dall 



Panopea generosa Gou ld 



Pecten (Palinopecten) caitrinua Gould 



Peclen {Pecten) dentatus Sowerby 



Pecten {ChlamyK) hastatus Sowerby 



Pecten (Chlamys) hericeus Gould 



Pecten {Chlamys) hericeus var. strategtis Dall 



Pecten {Chlamys) jordani, sp. nov 



Pecten latlauritus Conrad 



Pecten latiauritus var. fragilis, var. hot 



Pecten latiauritiin var. monotimeris Conrad 



Pecten (Plagioctenium) newsomi, sp. nov 



Peclen stearnsii Dall 



Pecten {Nodipecte.n) subnodosus Sowerby 



Pecten {Plagioctenium) ventricosus Soweeby 



Pecten (Plagioctenium) ventricoms Sowerby var.. . 



Periploma argentaria Conrad 



Petricola carditoides Co>rEAD 



Petricota {Petricolaria) cognata C. B. Adams 



Petricola denttculata Sowerby 



Pholadidea penita Conrad 



Plalyodon canceilatus Conrad 



Pododesmus {Monia) macroschisma DE.sHAyES 



Prolocardia centifilosa Carpenter 



Paammobia edeniula Gabb 



Psephis salmonea, Carpenter 



Psephix tantilla Gould 



R(eta nndulata Gould 



Rupellaria lamelU/era Conrad 



Sanguinolaria nuitalli Conrad 



Saxidomus aratua QocLO 



> 





X 

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X 

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s 



X 

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X 



? 



c 



N 

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Pleistocene. 



Upper San Pedro. 



11 

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M 



K 



R 

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E 



M 

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M 

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3^ 



c 

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c 



E 

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E 

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E 



M 

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C 

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E 



C 

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M 



R 

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C 

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at o 



U(5 



R 



E 



E 

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E 

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M 

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Lower 

 sau Pedro. 



a 



R 

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E 

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R 



E 



E 

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E 



R R 



M 



E 



E 



R 

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M 

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M 



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c i: 



