Miocene sulids of southern California - 1958
A second record of Osteodontornis, Miocene "Toothed" bird - 1962
The chronologic and geolographic range of desmostylians - 1963
Additional avian records form the Miocene of Sharktooth Hill, California - 1966
Type specimens of avian fossils in the collections of the Natural History Museum of Los Angeles County - 1972
Eocene neoselachians from the La Mestea Formation, Seymour Island, Antarctic Peninsula - 1980
Kentriodon obscurus (Kellogg, 1931), a fossil dolphin (Mammalia: Kentriodontidae) from the Miocene Sharktooth Hill Bonebed in California - 1984
Fossil pontoporiid dolphins (Mammalia: Cetacea) from the Pacific Coast of North America - 1985
The Late Miocene dolphin Pithanodelphis Abel, 1905 (Cetacea: Kentriodontidae) from California - 1985
Late Miocene and Holocene mammals, exclusive of the Notoungulata, of the Rio Acre Region, western Amazonia - 1986
An early Miocene pinniped of the genus Desmatophoca (Mammalia: Otariidae) from Washington - 1987
A new fossil pinniped (Mammalia: Otariidae) from the middle Miocene Sharktooth Hill Bonebed, California - 1988
A new enaliarctine pinniped from the Astoria Formation, Oregon, and a classification of the Otariidae (Mammalia: Carnivora) - 1989
A new Miocene enaliarctine pinniped of the genus Pteronarctos (Mammalia: Otariidae) from the Astoria Formation, Oregon - 1990
Gomphotaria pugnax, a new genus and species of late Miocene dusignathine otariid pinniped (Mammalia: Carnivora) from California - 1991
A new genus and species of middle Miocene enaliarctine pinniped (Mammalia, Carnivora, Otariidae) from the Astoria Formation in Coastal Oregon - 1992
Evidence for two species of common dolphins (Genus Delphinus) from the Eastern North Pacific - 1994
Eocene megapaleontology, stratigraphy, and depositional environments, Elsmere Canyon, Los Angeles County, California - 2008
A new genus and species of Late Miocene paleoparadoxiid (Mammalia, Desmostylia) from California - 2013