. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. EOCENE PELECYPODA. PLATE Pelecypoda and Gasteropoda. (All figures natural size unless otherwise noted. | Fig. !. Pecten (Chlamys) calkinsi Arnold. Univ. California. An imperfect left valvi altitude 45 mm. Eocene, Sisar Creek, Ventura 2. Same species as fig. 1. Univ. California. Imperfect right valve; altituc 29 mm. Same locality as fig. 3. Pecten (Propeamusium) interradiatus Gabb. Left valve; altitude 25 mn Pal. Cal., vol. 2, pi. 33, fig. 98. Eoc
. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. EOCENE PELECYPODA. PLATE Pelecypoda and Gasteropoda. (All figures natural size unless otherwise noted. | Fig. !. Pecten (Chlamys) calkinsi Arnold. Univ. California. An imperfect left valvi altitude 45 mm. Eocene, Sisar Creek, Ventura 2. Same species as fig. 1. Univ. California. Imperfect right valve; altituc 29 mm. Same locality as fig. 3. Pecten (Propeamusium) interradiatus Gabb. Left valve; altitude 25 mn Pal. Cal., vol. 2, pi. 33, fig. 98. Eocene shales at New Idria, San Ben! County, and in Silver Thread district. Ventura 3a. Same specimen as fig. 3. Interior of left valve. Pal. Cal., vol. 2, pi. 3: fig. 36. Same species as fig. 3. Outline of ears of right valve. Pal. Cal., vol. pi. 33, Im. 4. Glycymeris veatchii Gabb var. major Stanton. 1G5003. ImperfJ left valve: longitude 30 mm. Eocene, Rock Creek, Los Angeles Count; Found in the lower Eocene (Martinez formation) in 5. Cardium brewerii Gabb. Rig
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