| Swiftopecten adekunbiana Adegoke, 1969
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Adegoke, O. S. (1969). Stratigraphy and paleontology of the marine Neogene formations of the Coalinga region, California. University of California Publications, Bulletin of the Department of Geological Sciences, 80: 1–269, pls. 1–13. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=134790 | 
                
                
                
                
            
                
                    | Pecten crassicardo nomlandi Hertlein, 1931
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Hertlein, L. G. (1931). Changes of Nomenclature of Some Recent and Fossil Pectinidae from Japan, Porto Rico, South America, New Zealand, and California. Journal of Paleontology, 5(4): 367–369. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=393772 | 
                
                
                
                
            
                
                    | Pecten vickeryi P.D.Trask, 1922
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Trask, P. D. (1922). The Briones Formation of middle California. University of California Publications, Bulletin of the Department of Geological Sciences, 13(5): 133–174, pls. 1–8. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=446044 | 
                
                
                
                
            
                
                    | Pecten ricei P.D.Trask, 1922
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Trask, P. D. (1922). The Briones Formation of middle California. University of California Publications, Bulletin of the Department of Geological Sciences, 13(5): 133–174, pls. 1–8. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=446044 | 
                
                
                
                
            
                
                    | Pecten crassicardo biformatis Nomland, 1917
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Nomland, J. O. (1917). Fauna of the Santa Margarita beds in the north Coalinga region of California. University of California Publications, Bulletin of the Department of Geological Sciences, 10(18): 293–326, pls. 14–20. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=445687 | 
                
                
                
                
            
                
                    | Pecten holwayi B.L.Clark, 1915
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Clark, B. L. (1915). Fauna of the San Pablo Group of middle California. University of California Publications, Bulletin of the Department of Geology, 8(22): 385–572, pls 42–71. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=135342 | 
                
                
                
                
            
                
                    | Pecten diabloensis Arnold, 1906
                        synoniem |  | 
                
                
                
                
            
                
                    | Pecten crassicardo var. hamiltoni Arnold, 1906
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Arnold, R. (1906). The Tertiary and Quaternary pectens of California. U.S. Geological Survey Professional Paper, 47: 1–264, 53 pls. https://doi.org/10.5962/bhl.title.13754 | 
                
                
                
                
            
                
                    | Pecten crassicardo (Conrad, 1856)
                        synoniem |  | 
                
                
                
                
            
                
                    | Pallium crassicardo Conrad, 1856
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Conrad, T. A. (1856). Descriptions of three new genera; twenty-three new species middle Tertiary fossils from California and one from Texas. Proceedings of the Academy of Natural Sciences of Philadelphia, 8: 312–336. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=436165 |