| Matsumoto T. (1960) Upper Cretaceous ammonites of California. Part III, Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II, 1-204 |
| Sundberg F. A. (1980) Late Cretaceous paleoecology of the Holz Shale, Orange County, California, Journal of Paleontology 54 4, 840-857 |
| Popenoe W. P., Saul L. R. (1987) Evolution and classification of the Late Cretaceous-Early Tertiary gastropod Perissitys, Contributions in Science 380, 1-37 |
| Elder W. P., Saul L. R. (1996) Taxonomy and biostratigraphy of Coniacian through Maastrichtian Anchura (Gastropoda; Aporrhaiidae) of the North American Pacific slope, Journal of Paleontology 70 3, 381-399 |
| Squires R. L., Saul L. R. (1997) Review of bivalve genus Plicatula from Cretaceous and Lower Cenozoic strata of California and Baja California 71 2, 287-298 doi:0022-3360/97/0071-0287 |
| Saul L. R., Squires R. L. (1998) New Cretaceous Gastropoda from California, Palaeontology 41 3, 461-488 |
| Saul L. R. (1998) Eight Aporrhaid gastropod species from the Cretaceous of the Pacific Slope of North America and clarification of the type species of Perissoptera, The Nautilus 111 4, 119-142 |
| Saul L. R., Squires R. L. (2003) New Cretaceous cerithiform gastropods from the Pacific Slope of North America, Journal of Paleontology 77 3, 442-453 doi:10.1017/S0022336000044164 |
| Groves L. T. (2004) New species of Late Cretaceous Cypraeidae (Gastropoda) from California and British Columbia and new records from the Pacific slope, The Nautilus 118 1, 43-51 |
| Squires R. L., Saul L. R. (2005) New Late Cretaceous (Santonian and Campanian) gastropods from California and Baja California, Mexico, The Nautilus 119 4, 133-148 |
| Taylor P. D. (2008) Late Cretaceous cheilostome Bryozoans from California and Baja California, Journal of Paleontology 82 4, 823-834 |
| Squires R. L., Saul L. R. (2009) Cretaceous opine bivalves from the pacific slope of North America and palaeobiogeography of subfamily Opinae Chavan, 1969, Palaeontology 52 6, 1311-1347 doi:10.1111/j.1475-4983.2009.00905.x |
