Bibliografía (11 obras)
Fossil shells from Western Oregon
2000
Fossil shells from Oregon beach cliffs
1994
Tertiary marine pelecypods of California and Baja California-- Lucinidae through Chamidae
1988
The Miocene Pillarian and Newportian (Molluscan) stages of Washington and Oregon and their usefulness in correlations from Alaska to California
1987
Tertiary marine pelecypods of California and Baja California
1983
Tertiary marine mollusks of California and the Baja California peninsula
Sculptural variation of the Pliocene pelecypod Patinopecten healeyi (Arnold)
1979
Oligocene marine mollusks from the Pittsburg Bluff Formation in Oregon
1976
Fossil mollusks of coastal Oregon
1971
Fossil mollusks of San Diego County
1968
Miocene marine mollusks from the Astoria formation in Oregon
1963
