| Cylichnella intermedia Willett, 1928
                        synoniem |  | 
                
                
                
                
            
                
                    | Acteocina intermedia Willett, 1928
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Willett, G. (1928). Notes of some Pacific coast acteocinas, with description of one new subspecies. The Nautilus, 42(2): 37–38. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=344950 | 
                
                
                
                
            
                
                    | Acteocina culcitella intermedia Willett, 1928
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Willett, G. (1928). Notes of some Pacific coast acteocinas, with description of one new subspecies. The Nautilus, 42(2): 37–38. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=344950 | 
                
                
                
                
            
                
                    | Cylichna planata P.P.Carpenter, 1864
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Carpenter, P. P. (1864). Supplementary report on the present state of our knowledge with regard to the Mollusca of the West Coast of North America. Reports of the British Association for the Advancement of Science, (1863) 33: 517–686. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=39352 | 
                
                
                
                
            
                
                    | Utriculastra eximia (Baird, 1863)
                        synoniem |  | 
                
                
                
                
            
                
                    | Tornatina eximia (Baird, 1863)
                        synoniem |  | 
                
                
                
                
            
                
                    | Bullina eximia Baird, 1863
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Baird, W. (1863). Descriptions of some new species of shells, collected at Vancouver Island and in British Columbia by J. K. Lord, Esq., Naturalist to the British North-American Boundary Commission, in the years 1858-1862. Proceedings of the Zoological Society of London, 1863: 66–70. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=220761 | 
                
                
                
                
            
                
                    | Acteocina eximia (Baird, 1863)
                        synoniem |  | 
                
                
                
                
            
                
                    | Utriculastra cerealis (Gould, 1853)
                        synoniem |  | 
                
                
                
                
            
                
                    | Tornatina cerealis (Gould, 1853)
                        synoniem |  | 
                
                
                
                
            
                
                    | Bulla cerealis Gould, 1853
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Gould, A. A. (1853). Descriptions of shells from the Gulf of California and the Pacific coasts of Mexico and California. Boston Journal of Natural History, 6: 374–407, pls 14–16. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=134111 |