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Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!


Publication Wu et al. (2024): cladograms
     publication summary | cladograms

Complete Citation

Wu, R., L. Zhang, L. Liu, J. Jia & X. Liu. 2024. Unraveling the phylogenetic relationships and taxonomic status of a puzzling freshwater mussel genus Inversidens (Bivalvia, Unionidae) through multilocus phylogeny and mitochondrial phylogenomics. Journal of Zoological Systematics and Evolutionary Research 2024, 1499508: 1-18. Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 5a
                             +-- Margaritifera_dahurica      
  +--------------------------+                               
  |                          +-- Margaritifera_margaritifera 
  |                                                          
  |  +-------------------------- Chamberlainia_somsakpanhai  
  |  |                                                       
  |  |                       +-- Khairuloconcha_lunbawangorum
  |  |        +--------------+                               
--+  |        |              +-- Khairuloconcha_sahanae      
  |  |        |                                              
  |  |        |        +-------- Ensidens_sagittarius        
  |  |  +-----+  +-----+                                     
  |  |  |     |  |     |  +----- Rectidens_sumatrensis       
  |  |  |     |  |     +--+                                  
  |  |  |     |  |        |  +-- Hyriopsis_bialata           
  |  |  |     |  |        +--+                               
  +--+  |     +--+           +-- Hyriopsis_desowitzi         
     |  |        |                                           
     |  |        |           +-- Physunio_superbus           
     |  |        |  +--------+                               
     |  |        |  |        +-- Trapezoideus_foliaceus      
     |  |        |  |                                        
     |  |        +--+        +-- Lens_contradens             
     |  |           |  +-----+                               
     |  |           |  |     +-- Lens_eximius                
     |  |           +--+                                     
     |  |              |  +----- Yaukthwa_elongatula         
     |  |              +--+                                  
     +--+                 |  +-- Yaukthwa_inlenensis         
        |                 +--+                               
        |                    +-- Yaukthwa_paiensis           
        |                                                    
        |     +----------------- Schepmania_nieuwenhuisi     
        |     |                                              
        |  +--+              +-- Indopseudodon_bogani        
        |  |  |  +-----------+                               
        |  |  |  |           +-- Indopseudodon_kayinensis    
        |  |  +--+                                           
        |  |     |  +----------- Pilsbryoconcha_exilis       
        |  |     |  |                                        
        |  |     +--+        +-- Pseudodon_mekongi           
        |  |        |  +-----+                               
        |  |        |  |     +-- Pseudodon_vondembuschianus  
        |  |        +--+                                     
        |  |           |  +----- Thaiconcha_callifera        
        +--+           +--+                                  
           |              |  +-- Bineurus_anodontinum        
           |              +--+                               
           |                 +-- Bineurus_loeiensis          
           |                                                 
           |                 +-- Inversidens_brandtii        
           |           +-----+                               
           |           |     +-- Inversidens_rentianensis    
           |  +--------+                                     
           |  |        |  +----- Potomida_littoralis         
           |  |        +--+                                  
           |  |           |  +-- Lamprotula_caveata          
           +--+           +--+                               
              |              +-- Lamprotula_leaii            
              |                                              
              |  +-------------- Sinosolenaia_carinata       
              |  |                                           
              +--+           +-- Gonidea_angulata            
                 |  +--------+                               
                 |  |        +-- Microcondylaea_bonellii     
                 +--+                                        
                    |  +-------- Parvasolenaia_rivularis     
                    +--+                                     
                       |  +----- Koreosolenaia_sitgyensis    
                       +--+                                  
                          |  +-- Postolata_guangxiensis      
                          +--+                               
                             +-- Ptychorhynchus_pfisteri     
Cladogram Figure 5b
                                      +-- Margaritifera_dahurica      
  +-----------------------------------+                               
  |                                   +-- Margaritifera_margaritifera 
  |                                                                   
  |  +----------------------------------- Schepmania_nieuwenhuisi     
  |  |                                                                
  |  |                                +-- Indopseudodon_bogani        
--+  |                    +-----------+                               
  |  |                    |           +-- Indopseudodon_kayinensis    
  |  |  +-----------------+                                           
  |  |  |                 |  +----------- Pilsbryoconcha_exilis       
  |  |  |                 |  |                                        
  |  |  |                 +--+        +-- Bineurus_anodontinum        
  |  |  |                    |  +-----+                               
  +--+  |                    |  |     +-- Bineurus_loeiensis          
     |  |                    +--+                                     
     |  |                       |  +----- Thaiconcha_callifera        
     |  |                       +--+                                  
     |  |                          |  +-- Pseudodon_mekongi           
     |  |                          +--+                               
     |  |                             +-- Pseudodon_vondembuschianus  
     |  |                                                             
     |  |     +-------------------------- Hyriopsis_bialata           
     |  |     |                                                       
     +--+     |                    +----- Rectidens_sumatrensis       
        |  +--+  +-----------------+                                  
        |  |  |  |                 |  +-- Khairuloconcha_lunbawangorum
        |  |  |  |                 +--+                               
        |  |  +--+                    +-- Khairuloconcha_sahanae      
        |  |     |                                                    
        |  |     |  +-------------------- Ensidens_sagittarius        
        |  |     |  |                                                 
        |  |     +--+  +----------------- Hyriopsis_desowitzi         
        |  |        |  |                                              
        |  |        +--+  +-------------- Yaukthwa_elongatula         
        |  |           |  |                                           
        |  |           +--+  +----------- Trapezoideus_foliaceus      
        |  |              |  |                                        
        |  |              +--+        +-- Physunio_superbus           
        +--+                 |  +-----+                               
           |                 |  |     +-- Yaukthwa_inlenensis         
           |                 +--+                                     
           |                    |  +----- Yaukthwa_paiensis           
           |                    +--+                                  
           |                       |  +-- Lens_contradens             
           |                       +--+                               
           |                          +-- Lens_eximius                
           |                                                          
           |                          +-- Inversidens_brandtii        
           |        +-----------------+                               
           |        |                 +-- Inversidens_rentianensis    
           |        |                                                 
           |        |                 +-- Chamberlainia_somsakpanhai  
           +--------+              +--+                               
                    |              |  +-- Potomida_littoralis         
                    |  +-----------+                                  
                    |  |           |  +-- Lamprotula_caveata          
                    |  |           +--+                               
                    +--+              +-- Lamprotula_leaii            
                       |                                              
                       |  +-------------- Sinosolenaia_carinata       
                       |  |                                           
                       +--+           +-- Gonidea_angulata            
                          |  +--------+                               
                          |  |        +-- Microcondylaea_bonellii     
                          +--+                                        
                             |  +-------- Koreosolenaia_sitgyensis    
                             +--+                                     
                                |  +----- Parvasolenaia_rivularis     
                                +--+                                  
                                   |  +-- Postolata_guangxiensis      
                                   +--+                               
                                      +-- Ptychorhynchus_pfisteri     
Cladogram Figure 5c
                                +-- Margaritifera_dahurica      
  +-----------------------------+                               
  |                             +-- Margaritifera_margaritifera 
  |                                                             
  |  +----------------------------- Schepmania_nieuwenhuisi__1  
  |  |                                                          
  |  +----------------------------- Schepmania_nieuwenhuisi__2  
  |  |                                                          
--+  |                          +-- Indopseudodon_bogani        
  |  |              +-----------+                               
  |  |              |           +-- Indopseudodon_kayinensis    
  |  |  +-----------+                                           
  |  |  |           |  +----------- Pilsbryoconcha_exilis       
  |  |  |           |  |                                        
  |  |  |           +--+  +-------- Bineurus_anodontinum        
  +--+  |              |  |                                     
     |  |              +--+-------- Bineurus_loeiensis          
     |  |                 |                                     
     |  |                 |  +----- Thaiconcha_callifera        
     |  |                 +--+                                  
     |  |                    |  +-- Pseudodon_mekongi           
     |  |                    +--+                               
     |  |                       +-- Pseudodon_vondembuschianus  
     |  |                                                       
     |  |                 +-------- Ensidens_sagittarius        
     |  |                 |                                     
     |  |                 +-------- Hyriopsis_desowitzi         
     +--+                 |                                     
        |                 +-------- Rectidens_sumatrensis       
        |                 |                                     
        |                 +-------- Hyriopsis_bialata           
        |                 |                                     
        |  +--------------+     +-- Khairuloconcha_lunbawangorum
        |  |              +-----+                               
        |  |              |     +-- Khairuloconcha_sahanae      
        |  |              |                                     
        |  |              |  +----- Physunio_superbus           
        |  |              |  |                                  
        |  |              |  +----- Yaukthwa_paiensis           
        |  |              |  |                                  
        |  |              |  +----- Yaukthwa_inlenensis         
        |  |              +--+                                  
        |  |                 +----- Trapezoideus_foliaceus      
        +--+                 |                                  
           |                 +----- Yaukthwa_elongatula         
           |                 |                                  
           |                 |  +-- Lens_contradens             
           |                 +--+                               
           |                    +-- Lens_eximius                
           |                                                    
           |                    +-- Inversidens_rentianensis    
           |  +-----------------+                               
           |  |                 +-- Inversidens_brandtii        
           |  |                                                 
           |  |                 +-- Chamberlainia_somsakpanhai  
           +--+              +--+                               
              |              |  +-- Potomida_littoralis         
              |  +-----------+                                  
              |  |           |  +-- Lamprotula_caveata          
              |  |           +--+                               
              +--+              +-- Lamprotula_leaii            
                 |                                              
                 |  +-------------- Sinosolenaia_carinata       
                 |  |                                           
                 +--+  +----------- Gonidea_angulata            
                    |  |                                        
                    +--+----------- Microcondylaea_bonellii     
                       |                                        
                       |  +-------- Koreosolenaia_sitgyensis    
                       +--+                                     
                          |  +----- Parvasolenaia_rivularis     
                          +--+                                  
                             |  +-- Postolata_guangxiensis      
                             +--+                               
                                +-- Ptychorhynchus_pfisteri     
Cladogram Figure 6-7
                                +-- Margaritifera_dahurica      
  +-----------------------------+                               
  |                             +-- Margaritifera_margaritifera 
  |                                                             
  |  +----------------------------- Chamberlainia_somsakpanhai  
  |  |                                                          
  |  |                          +-- Khairuloconcha_lunbawangorum
  |  |           +--------------+                               
--+  |           |              +-- Khairuloconcha_sahanae      
  |  |           |                                              
  |  |           |        +-------- Ensidens_sagittarius        
  |  |  +--------+  +-----+                                     
  |  |  |        |  |     |  +----- Rectidens_sumatrensis       
  |  |  |        |  |     +--+                                  
  |  |  |        |  |        |  +-- Hyriopsis_bialata           
  +--+  |        |  |        +--+                               
     |  |        +--+           +-- Hyriopsis_desowitzi         
     |  |           |                                           
     |  |           |           +-- Physunio_superbus           
     |  |           |  +--------+                               
     |  |           |  |        +-- Trapezoideus_foliaceus      
     |  |           |  |                                        
     |  |           +--+        +-- Lens_contradens             
     |  |              |  +-----+                               
     |  |              |  |     +-- Lens_eximius                
     |  |              +--+                                     
     |  |                 |  +----- Yaukthwa_elongatula         
     +--+                 +--+                                  
        |                    |  +-- Yaukthwa_inlenensis         
        |                    +--+                               
        |                       +-- Yaukthwa_paiensis           
        |                                                       
        |        +----------------- Schepmania_nieuwenhuisi     
        |        |                                              
        |  +-----+              +-- Indopseudodon_bogani        
        |  |     |  +-----------+                               
        |  |     |  |           +-- Indopseudodon_kayinensis    
        |  |     +--+                                           
        |  |        |  +----------- Pilsbryoconcha_exilis       
        |  |        |  |                                        
        |  |        +--+        +-- Pseudodon_mekongi           
        |  |           |  +-----+                               
        |  |           |  |     +-- Pseudodon_vondembuschianus  
        |  |           +--+                                     
        +--+              |  +----- Thaiconcha_callifera        
           |              +--+                                  
           |                 |  +-- Bineurus_anodontinum        
           |                 +--+                               
           |                    +-- Bineurus_loeiensis          
           |                                                    
           |                 +----- Potomida_littoralis         
           |  +--------------+                                  
           |  |              |  +-- Lamprotula_caveata          
           |  |              +--+                               
           |  |                 +-- Lamprotula_leaii            
           +--+                                                 
              |                 +-- Inversidens_brandtii        
              |  +--------------+                               
              |  |              +-- Inversidens_rentianensis    
              +--+                                              
                 |  +-------------- Sinosolenaia_carinata       
                 |  |                                           
                 +--+           +-- Gonidea_angulata            
                    |  +--------+                               
                    |  |        +-- Microcondylaea_bonellii     
                    +--+                                        
                       |  +-------- Koreosolenaia_sitgyensis    
                       +--+                                     
                          |  +----- Parvasolenaia_rivularis     
                          +--+                                  
                             |  +-- Postolata_guangxiensis      
                             +--+                               
                                +-- Ptychorhynchus_pfisteri     
Cladogram Figure 8a_S1
  +-------------------------------------------------- Neotrigonia_margaritacea    
  |                                                                               
  |  +----------------------------------------------- Echyridella_menziesii       
  |  |                                                                            
--+  |                                            +-- Anodontites_trapesialis     
  |  |  +-----------------------------------------+                               
  |  |  |                                         +-- Mutela_dubia                
  |  |  |                                                                         
  |  |  |                                         +-- Margaritifera_dahurica      
  +--+  |  +--------------------------------------+                               
     |  |  |                                      +-- Margaritifera_margaritifera 
     |  |  |                                                                      
     |  |  |                                      +-- Quadrula_quadrula           
     |  |  |           +--------------------------+                               
     |  |  |           |                          +-- Uniomerus_tetralasmus       
     |  |  |           |                                                          
     +--+  |  +--------+                          +-- Elliptio_complanata         
        |  |  |        |  +-----------------------+                               
        |  |  |        |  |                       +-- Pleurobema_oviforme         
        |  |  |        +--+                                                       
        |  |  |           |  +----------------------- Amblema_plicata             
        |  |  |           |  |                                                    
        |  |  |           +--+  +-------------------- Popenaias_popeii            
        |  |  |              |  |                                                 
        |  |  |              +--+  +----------------- Toxolasma_parvum            
        |  |  |                 |  |                                              
        |  |  |                 |  |           +----- Potamilus_leptodon          
        +--+  |                 +--+  +--------+                                  
           |  |                    |  |        |  +-- Potamilus_alatus            
           |  |                    |  |        +--+                               
           |  |                    |  |           +-- Potamilus_streckersoni      
           |  |                    +--+                                           
           |  |                       |  +----------- Leaunio_lienosus            
           |  |                       |  |                                        
           |  |                       |  |     +----- Lampsilis_ornata            
           |  |                       +--+  +--+                                  
           |  |                          |  |  |  +-- Lampsilis_cardium           
           |  |                          |  |  +--+                               
           |  |                          +--+     +-- Lampsilis_cariosa           
           |  |                             |                                     
           |  |                             |  +----- Venustaconcha_ellipsiformis 
           |  |                             +--+                                  
           |  |                                |  +-- Lampsilis_powellii          
           |  |                                +--+                               
           |  |                                   +-- Lampsilis_siliquoidea       
           |  |                                                                   
           +--+                                +----- Chamberlainia_somsakpanhai  
              |           +--------------------+                                  
              |           |                    |  +-- Sinohyriopsis_cumingii      
              |           |                    +--+                               
              |           |                       +-- Sinohyriopsis_schlegelii    
              |           |                                                       
              |           |                       +-- Hyriopsis_bialata           
              |           |                    +--+                               
              |  +--------+                    |  +-- Rectidens_sumatrensis       
              |  |        |  +-----------------+                                  
              |  |        |  |                 |  +-- Lens_contradens             
              |  |        |  |                 +--+                               
              |  |        |  |                    +-- Physunio_superbus           
              |  |        |  |                                                    
              |  |        |  |           +----------- Potomida_littoralis         
              |  |        +--+  +--------+                                        
              |  |           |  |        |  +-------- Pronodularia_japanensis     
              |  |           |  |        +--+                                     
              |  |           |  |           |  +----- Lamprotula_leaii            
              |  |           |  |           +--+                                  
              |  |           |  |              |  +-- Lamprotula_caveata          
              |  |           +--+              +--+                               
              |  |              |                 +-- Lamprotula_cornuumlunae     
              |  |              |                                                 
              |  |              |                 +-- Pseudodon_vondembuschianus  
              |  |              |  +--------------+                               
              |  |              |  |              +-- Pilsbryoconcha_exilis       
              |  |              +--+                                              
              |  |                 |  +-------------- Inversidens_rentianensis    
              |  |                 |  |                                           
              +--+                 +--+           +-- Parvasolenaia_rivularis     
                 |                    |  +--------+                               
                 |                    |  |        +-- Ptychorhynchus_pfisteri     
                 |                    +--+                                        
                 |                       |  +-------- Microcondylaea_bonellii     
                 |                       +--+                                     
                 |                          |  +----- Sinosolenaia_carinata       
                 |                          +--+                                  
                 |                             |  +-- Sinosolenaia_iridinea       
                 |                             +--+                               
                 |                                +-- Sinosolenaia_oleivora       
                 |                                                                
                 |  +-------------------------------- Lamellidens_jenkinsianus    
                 |  |                                                             
                 |  |                             +-- Lepidodesma_aligera         
                 |  |  +--------------------------+                               
                 |  |  |                          +-- Lepidodesma_languilati      
                 |  |  |                                                          
                 |  |  |                    +-------- Acuticosta_chinensis        
                 |  |  |     +--------------+                                     
                 |  |  |     |              |  +----- Lanceolaria_gladiola        
                 |  |  |     |              +--+                                  
                 +--+  |     |                 |  +-- Lanceolaria_grayii          
                    |  |     |                 +--+                               
                    |  |     |                    +-- Lanceolaria_lanceolata      
                    |  |     |                                                    
                    |  |     |        +-------------- Cristaria_plicata           
                    |  |  +--+  +-----+                                           
                    |  |  |  |  |     |  +----------- Anemina_arcaeformis         
                    |  |  |  |  |     +--+                                        
                    |  |  |  |  |        |  +-------- Beringiana_fukuharai        
                    |  |  |  |  |        +--+                                     
                    +--+  |  |  |           |  +----- Sinanodonta_lucida          
                       |  |  |  |           +--+                                  
                       |  |  |  |              |  +-- Sinanodonta_tumens          
                       |  |  +--+              +--+                               
                       |  |     |                 +-- Sinanodonta_woodiana        
                       |  |     |                                                 
                       |  |     |           +-------- Pseudanodonta_complanata    
                       |  |     |  +--------+                                     
                       |  |     |  |        |  +----- Anodonta_anatina            
                       |  |     |  |        +--+                                  
                       |  |     |  |           |  +-- Anodonta_cygnea             
                       |  |     |  |           +--+                               
                       |  |     +--+              +-- Anodonta_exulcerata         
                       |  |        |                                              
                       |  |        |  +-------------- Anodonta_nuttalliana        
                       |  |        |  |                                           
                       |  |        |  |        +----- Pyganodon_grandis           
                       +--+        +--+  +-----+                                  
                          |           |  |     |  +-- Utterbackia_imbecillis      
                          |           |  |     +--+                               
                          |           +--+        +-- Utterbackia_peninsularis    
                          |              |                                        
                          |              |  +-------- Lasmigona_complanata        
                          |              +--+                                     
                          |                 |  +----- Prolasmidonta_heterodon     
                          |                 +--+                                  
                          |                    |  +-- Alasmidonta_varicosa        
                          |                    +--+                               
                          |                       +-- Platynaias_compressa        
                          |                                                       
                          |                 +-------- Aculamprotula_tortuosa      
                          |                 |                                     
                          |  +--------------+     +-- Aculamprotula_coreana       
                          |  |              |  +--+                               
                          |  |              |  |  +-- Aculamprotula_tientsinensis 
                          |  |              +--+                                  
                          |  |                 |  +-- Aculamprotula_polysticta    
                          |  |                 +--+                               
                          |  |                    +-- Aculamprotula_scripta       
                          |  |                                                    
                          +--+        +-------------- Unio_tumidus                
                             |  +-----+                                           
                             |  |     |  +----------- Unio_nanus                  
                             |  |     +--+                                        
                             |  |        |  +-------- Unio_elongatulus            
                             |  |        +--+                                     
                             |  |           |  +----- Unio_pictorum               
                             |  |           +--+                                  
                             |  |              |  +-- Unio_delphinus              
                             +--+              +--+                               
                                |                 +-- Unio_mancus                 
                                |                                                 
                                |                 +-- Nodularia_breviconcha       
                                |  +--------------+                               
                                |  |              +-- Nodularia_douglasiae        
                                |  |                                              
                                |  |              +-- Pseudocuneopsis_capitata    
                                |  +--------------+                               
                                +--+              +-- Pseudocuneopsis_sichuanensis
                                   |                                              
                                   |              +-- Schistodesmus_lampreyanus   
                                   |  +-----------+                               
                                   |  |           +-- Schistodesmus_spinosus      
                                   +--+                                           
                                      |  +----------- Tchangsinaia_piscicula      
                                      +--+                                        
                                         |  +-------- Cuneopsis_rufescens         
                                         +--+                                     
                                            |  +----- Cuneopsis_celtiformis       
                                            +--+                                  
                                               |  +-- Cuneopsis_demangei          
                                               +--+                               
                                                  +-- Cuneopsis_heudei            
Cladogram Figure 8b_S2
  +-------------------------------------------------- Neotrigonia_margaritacea    
  |                                                                               
  |  +----------------------------------------------- Echyridella_menziesii       
  |  |                                                                            
--+  |                                            +-- Anodontites_trapesialis     
  |  |  +-----------------------------------------+                               
  |  |  |                                         +-- Mutela_dubia                
  |  |  |                                                                         
  |  |  |                                         +-- Margaritifera_dahurica      
  +--+  |  +--------------------------------------+                               
     |  |  |                                      +-- Margaritifera_margaritifera 
     |  |  |                                                                      
     |  |  |                                      +-- Quadrula_quadrula           
     |  |  |           +--------------------------+                               
     |  |  |           |                          +-- Uniomerus_tetralasmus       
     |  |  |           |                                                          
     +--+  |  +--------+                          +-- Elliptio_complanata         
        |  |  |        |  +-----------------------+                               
        |  |  |        |  |                       +-- Pleurobema_oviforme         
        |  |  |        +--+                                                       
        |  |  |           |  +----------------------- Amblema_plicata             
        |  |  |           |  |                                                    
        |  |  |           +--+  +-------------------- Popenaias_popeii            
        |  |  |              |  |                                                 
        |  |  |              +--+  +----------------- Toxolasma_parvum            
        |  |  |                 |  |                                              
        |  |  |                 |  |           +----- Potamilus_leptodon          
        +--+  |                 +--+  +--------+                                  
           |  |                    |  |        |  +-- Potamilus_alatus            
           |  |                    |  |        +--+                               
           |  |                    +--+           +-- Potamilus_streckersoni      
           |  |                       |                                           
           |  |                       |  +----------- Leaunio_lienosus            
           |  |                       |  |                                        
           |  |                       +--+  +-------- Venustaconcha_ellipsiformis 
           |  |                          |  |                                     
           |  |                          |  |     +-- Lampsilis_powellii          
           |  |                          +--+-----+                               
           |  |                             |     +-- Lampsilis_siliquoidea       
           |  |                             |                                     
           |  |                             |  +----- Lampsilis_ornata            
           |  |                             +--+                                  
           |  |                                |  +-- Lampsilis_cardium           
           |  |                                +--+                               
           |  |                                   +-- Lampsilis_cariosa           
           |  |                                                                   
           +--+                                +----- Chamberlainia_somsakpanhai  
              |           +--------------------+                                  
              |           |                    |  +-- Sinohyriopsis_cumingii      
              |           |                    +--+                               
              |           |                       +-- Sinohyriopsis_schlegelii    
              |           |                                                       
              |           |                       +-- Hyriopsis_bialata           
              |           |                    +--+                               
              |  +--------+                    |  +-- Rectidens_sumatrensis       
              |  |        |  +-----------------+                                  
              |  |        |  |                 |  +-- Lens_contradens             
              |  |        |  |                 +--+                               
              |  |        |  |                    +-- Physunio_superbus           
              |  |        |  |                                                    
              |  |        |  |           +----------- Potomida_littoralis         
              |  |        +--+  +--------+                                        
              |  |           |  |        |  +-------- Pronodularia_japanensis     
              |  |           |  |        +--+                                     
              |  |           |  |           |  +----- Lamprotula_leaii            
              |  |           |  |           +--+                                  
              |  |           |  |              |  +-- Lamprotula_caveata          
              |  |           +--+              +--+                               
              |  |              |                 +-- Lamprotula_cornuumlunae     
              |  |              |                                                 
              |  |              |                 +-- Pseudodon_vondembuschianus  
              |  |              |  +--------------+                               
              |  |              |  |              +-- Pilsbryoconcha_exilis       
              |  |              +--+                                              
              |  |                 |  +-------------- Inversidens_rentianensis    
              |  |                 |  |                                           
              +--+                 +--+           +-- Parvasolenaia_rivularis     
                 |                    |  +--------+                               
                 |                    |  |        +-- Ptychorhynchus_pfisteri     
                 |                    +--+                                        
                 |                       |  +-------- Microcondylaea_bonellii     
                 |                       +--+                                     
                 |                          |  +----- Sinosolenaia_carinata       
                 |                          +--+                                  
                 |                             |  +-- Sinosolenaia_iridinea       
                 |                             +--+                               
                 |                                +-- Sinosolenaia_oleivora       
                 |                                                                
                 |  +-------------------------------- Lamellidens_jenkinsianus    
                 |  |                                                             
                 |  |                             +-- Lepidodesma_aligera         
                 |  |  +--------------------------+                               
                 |  |  |                          +-- Lepidodesma_languilati      
                 |  |  |                                                          
                 |  |  |                    +-------- Acuticosta_chinensis        
                 |  |  |     +--------------+                                     
                 |  |  |     |              |  +----- Lanceolaria_gladiola        
                 |  |  |     |              +--+                                  
                 +--+  |     |                 |  +-- Lanceolaria_grayii          
                    |  |     |                 +--+                               
                    |  |     |                    +-- Lanceolaria_lanceolata      
                    |  |     |                                                    
                    |  |  +--+        +-------------- Cristaria_plicata           
                    |  |  |  |  +-----+                                           
                    |  |  |  |  |     |  +----------- Anemina_arcaeformis         
                    |  |  |  |  |     +--+                                        
                    |  |  |  |  |        |  +-------- Beringiana_fukuharai        
                    |  |  |  |  |        +--+                                     
                    +--+  |  |  |           |  +----- Sinanodonta_lucida          
                       |  |  |  |           +--+                                  
                       |  |  +--+              |  +-- Sinanodonta_tumens          
                       |  |     |              +--+                               
                       |  |     |                 +-- Sinanodonta_woodiana        
                       |  |     |                                                 
                       |  |     |  +----------------- Anodonta_nuttalliana        
                       |  |     |  |                                              
                       |  |     |  |        +-------- Pseudanodonta_complanata    
                       |  |     |  |  +-----+                                     
                       |  |     +--+  |     |  +----- Anodonta_anatina            
                       |  |        |  |     +--+                                  
                       |  |        |  |        |  +-- Anodonta_cygnea             
                       |  |        |  |        +--+                               
                       |  |        +--+           +-- Anodonta_exulcerata         
                       |  |           |                                           
                       |  |           |        +----- Pyganodon_grandis           
                       +--+           |  +-----+                                  
                          |           |  |     |  +-- Utterbackia_imbecillis      
                          |           |  |     +--+                               
                          |           +--+        +-- Utterbackia_peninsularis    
                          |              |                                        
                          |              |  +-------- Lasmigona_complanata        
                          |              +--+                                     
                          |                 |  +----- Prolasmidonta_heterodon     
                          |                 +--+                                  
                          |                    |  +-- Alasmidonta_varicosa        
                          |                    +--+                               
                          |                       +-- Platynaias_compressa        
                          |                                                       
                          |                 +-------- Aculamprotula_tortuosa      
                          |                 |                                     
                          |  +--------------+     +-- Aculamprotula_coreana       
                          |  |              |  +--+                               
                          |  |              |  |  +-- Aculamprotula_tientsinensis 
                          |  |              +--+                                  
                          |  |                 |  +-- Aculamprotula_polysticta    
                          |  |                 +--+                               
                          |  |                    +-- Aculamprotula_scripta       
                          |  |                                                    
                          +--+        +-------------- Unio_tumidus                
                             |  +-----+                                           
                             |  |     |  +----------- Unio_nanus                  
                             |  |     +--+                                        
                             |  |        |  +-------- Unio_elongatulus            
                             |  |        +--+                                     
                             |  |           |  +----- Unio_pictorum               
                             |  |           +--+                                  
                             |  |              |  +-- Unio_delphinus              
                             +--+              +--+                               
                                |                 +-- Unio_mancus                 
                                |                                                 
                                |                 +-- Nodularia_breviconcha       
                                |  +--------------+                               
                                |  |              +-- Nodularia_douglasiae        
                                |  |                                              
                                |  |              +-- Pseudocuneopsis_capitata    
                                |  +--------------+                               
                                +--+              +-- Pseudocuneopsis_sichuanensis
                                   |                                              
                                   |              +-- Schistodesmus_lampreyanus   
                                   |  +-----------+                               
                                   |  |           +-- Schistodesmus_spinosus      
                                   +--+                                           
                                      |  +----------- Tchangsinaia_piscicula      
                                      +--+                                        
                                         |  +-------- Cuneopsis_rufescens         
                                         +--+                                     
                                            |  +----- Cuneopsis_celtiformis       
                                            +--+                                  
                                               |  +-- Cuneopsis_demangei          
                                               +--+                               
                                                  +-- Cuneopsis_heudei            
 
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