+----------- Indopseudodon_kayinensis     
  +--------------------+                                         
  |                    |  +-------- Indopseudodon_indawgyiensis  
  |                    +--+                                      
  |                       |  +----- Indopseudodon_bogani         
  |                       +--+                                   
  |                          |  +-- Indopseudodon_salwenianus    
  |                          +--+                                
  |                             +-- Indopseudodon_crebristriatus 
  |                                                              
--+  +----------------------------- Lannanaia_kokensis           
  |  |                                                           
  |  |                          +-- Pilsbryoconcha_exilis__1     
  |  |              +-----------+                                
  |  |              |           +-- Pilsbryoconcha_schomburgki   
  |  |              |                                            
  |  |  +-----------+           +-- Pilsbryoconcha_carinifera    
  |  |  |           |  +--------+                                
  |  |  |           |  |        +-- Pilsbryoconcha_exilis__2     
  +--+  |           +--+                                         
     |  |              |  +-------- Pilsbryoconcha_kittitati     
     |  |              +--+                                      
     |  |                 |  +----- Pilsbryoconcha_acuta         
     |  |                 +--+                                   
     |  |                    |  +-- Pilsbryoconcha_hoikaab       
     |  |                    +--+                                
     |  |                       +-- Pilsbryoconcha_mekongiana    
     |  |                                                        
     +--+                    +----- Songkhlanaia_tamodienica     
        |  +-----------------+                                   
        |  |                 |  +-- Songkhlanaia_moreleti        
        |  |                 +--+                                
        |  |                    +-- Songkhlanaia_songkhramensis  
        |  |                                                     
        |  |        +-------------- Nyeinchanconcha_nyeinchani   
        |  |        |                                            
        |  |        |        +----- Thaiconcha_thaiensis         
        |  |  +-----+  +-----+                                   
        |  |  |     |  |     |  +-- Thaiconcha_callifera         
        |  |  |     |  |     +--+                                
        +--+  |     +--+        +-- Thaiconcha_munelliptica      
           |  |        |                                         
           |  |        |  +-------- Bineurus_loeiensis           
           |  |        +--+                                      
           |  |           |  +----- Bineurus_anodontinum         
           |  |           +--+                                   
           |  |              |  +-- Bineurus_exilis              
           |  |              +--+                                
           |  |                 +-- Bineurus_mouhotii            
           |  |                                                  
           |  |           +-------- Sundadontina_sulcata         
           +--+     +-----+                                      
              |     |     |  +----- Sundadontina_harmandi        
              |     |     +--+                                   
              |     |        |  +-- Sundadontina_brandti         
              |     |        +--+                                
              |  +--+           +-- Sundadontina_taskaevi        
              |  |  |                                            
              |  |  |           +-- Sundadontina_tumida          
              |  |  |  +--------+                                
              |  |  |  |        +-- Sundadontina_mabilli         
              |  |  +--+                                         
              |  |     |  +-------- Sundadontina                 
              |  |     +--+                                      
              |  |        |  +----- Sundadontina_tanintharyiensis
              |  |        +--+                                   
              +--+           |  +-- Sundadontina_cumingii        
                 |           +--+                                
                 |              +-- Sundadontina_plugpomenica    
                 |                                               
                 |              +-- Namkongnaia_inkhavilayi      
                 |           +--+                                
                 |           |  +-- Namkongnaia_lemeslei         
                 |     +-----+                                   
                 |     |     |  +-- Isannaia_fortunata           
                 |     |     +--+                                
                 |     |        +-- Isannaia_occultata           
                 +-----+                                         
                       |        +-- Pseudodon_inoscularis        
                       |  +-----+                                
                       |  |     +-- Pseudodon_lenyanensis        
                       |  |                                      
                       +--+     +-- Pseudodon_vagulus            
                          |  +--+                                
                          |  |  +-- Pseudodon_cambodjensis       
                          +--+                                   
                             |  +-- Pseudodon_vondembuschianus   
                             +--+                                
                                +-- Pseudodon_mekongi