AKT. :?2 SAN PEDRO FAUNA OLDROYD. 



Genus VENERICARDIA Lamarck, 1801. 



VENERICARDIA VENTRICOSA Gould, 1850, thirteen valves. 



Living, Alaska-Lower Califoruia. 



Subgenus MiODONTlSCUS Dall, 1903. 



VENERICARDIA PROLONGATA Carpenter, 1864, four valves. 



Living, Alaska-San Diego, California. 



Family THYASIRIDAE. 



Genus THYASIRA (Leach in) Lamarck, 1818. 



THYASIRA GOULDII Philippi, 1845, one valve. 



Living, Alaska-Lower California. 



Family DIPLODONTIDAE. 

 Genus DIPLODONTA Bronn, 1831. 



DIPLODONTA ORBELLA Gould. 1852, twelve valves. 



Living, Bering Sea-Oulf of California. 



Family LUCINIDAE. 



Genus PHACOIDES Gray, 1847. 



Subgenus Lucinisca Dall, 1901. 



PHACOIDES NUTTALLII Conrad, 1837, Plentiful. 



Living, Santa Barbara, California-Mexico. 



Subgenus Lucinoma Dall, 1901. 



PHACOIDES ANNULATUS, Reeve, 1850, var. densUiratus Dall, 1919. 



Living, Sitka, Alaska-Esteros Bay, California. 



Subgenus Callucina Dall, 1901. 

 Section EPILUCINA Dall, 1901. 

 PHACOIDES CALIFORNICUS Conrad, 1837, plentiful. 



Living, Crescent City, California-Lower California. 

 Subgenus Parvilucina Dall, 1901. 



PHACOIDES TENUISCULPTUS Carpenter, 1864, six valves. 



Living, Bering Sea — Coronado Islands. 



PHACOIDES APPROXIMATUS Dall. 1901, about 100 valves. 



Living. Monterey, California-Panama. 



Family LEPTONIDAE. 

 Genus KELLIA Turton, 1822 



KELLIA LAPEROUSII Deshayes, 1839, six valves. 



Living, Bering Sea-San Diego, California 



