| Planorbis dilatatus pennsylvanica Pilsbry, 1916
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Pilsbry, H. A. (1916). Planorbis dilatatus and P. simpsoni. The Nautilus, 30(8): 95–96. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=350040 | 
                
                
                
                
            
                
                    | Planorbis uliginosus Vanatta, 1911
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Vanatta, E. G. (1911). Bermuda shells. Proceedings of the Academy of Natural Sciences of Philadelphia, 62: 664–672. [“1910”; 27 January 1911]. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=396242 | 
                
                
                
                
            
                
                    | Planorbis alabamensis var. avus Pilsbry, 1905
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Pilsbry, H. A. (1905). Planorbis alabamensis and dilatatus in the Floridian Pliocene. The Nautilus, 19(3): 34. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=301316 | 
                
                
                
                
            
                
                    | Micromenetus dilatatus avus (Pilsbry, 1905)
                        synoniem |  | 
                
                
                
                
            
                
                    | Menetus dilatatus avus (Pilsbry, 1905)
                        synoniem |  | 
                
                
                
                
            
                
                    | Planorbis dilatatus A.Gould, 1841
                        homotypic synonym |  | 
                
                    
                        | Gepubliceerd in:Gould, A. A. (1841). Report on the Invertebrata of Massachusetts, Comprising the Mollusca, Crustacea, Annelida, and Radiata. Published Agreeably to an Order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State. Folsom, Wells, and Thurston, Cambridge, xiii + 373 pp., 15 pls. https://doi.org/10.5962/bhl.title.17646 | 
                
                
                
                
            
                
                    | Planorbis buchanensis I.Lea, 1841
                        synoniem |  | 
                
                    
                        | Gepubliceerd in:Lea, I. (1841). On fresh water and land shells (continuation) [fifty-seven new species]. Proceedings of the American Philosophical Society, 2(17): 30–34 [7 May 1841]. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=221585 | 
                
                
                
                
            
                
                    | Planorbis buchananii I.Lea, 1841
                        synoniem |  | 
                
                
                
                
            
                
                    | Micromenetus dilatatus (A.Gould, 1841)
                        synoniem |  | 
                
                
                
                
            
                
                    | Dilatata dilatata (A.Gould, 1841)
                        synoniem |  |