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Page last updated
Thu 3 September 2025

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

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genus Namkongnaia Jeratthitikul, Sutcharit, Ngor & Prasankok, 2021: cladomics
2 Recent valid species (2 total species)

Cladomics Summary

number of species = 2 (2 total)
analyzed in 18 cladograms in 14 publications
maximum number of terminals in an analysis = 2 (mean = 1.61, median = 2)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 11
maximum number of included terminals = 2, (mean = 2 median = 2)
proportion of cladograms that support basic monophyly = 0.91

Jeratthitikul et al., 2021 [Publ 4219], fig. 1

** Top Monophyly Cladogram **

tT	bi	riS	oT	roT	roS	iD
2	16	0	3	32	14	6	0

           +----- Pilsbryoconcha_exilis       
  +--------+                                  
  |        |  +-- Pilsbryoconcha_linguaeformis
  |        +--+                               
  |           +-- Namkongnaia_lemeslei__2 **     
--+                                           
  |        +----- Nyeinchanconcha             
  |  +-----+                                  
  |  |     |  +-- Thaiconcha                  
  |  |     +--+                               
  +--+        +-- Bineurus                    
     |                                        
     |  +-------- Sundadontina                
     +--+                                     
        |  +----- Pseudodon                   
        +--+                                  
           |  +-- Namkongnaia_lemeslei__1 **     
           +--+                               
              +-- Namkongnaia_inkhavilayi **

Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14

** Top Sister-Group Cladogram **

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	630	38	9	--

        +-- Thaiconcha             
  +-----+                          
  |     +-- Bineurus               
--+                                
  |  +----- Isannaia               
  +--+                             
     |  +-- Namkongnaia_inkhavilayi **
     +--+                          
        +-- Namkongnaia_lemeslei **

Jeratthitikul et al., 2025 [Publ 4476], fig. 2

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	13	13	4	--

  +----------- Pilsbryoconcha         
  |                                   
--+  +-------- Pseudodon              
  |  |                                
  +--+     +-- Namkongnaia_inkhavilayi **
     |  +--+                          
     |  |  +-- Namkongnaia_lemeslei **   
     +--+                             
        |  +-- Isannaia               
        +--+                          
           +-- Sundadontina

Konopleva et al., 2025 [Publ 4446], fig. 4

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	42	37	9	--

  +----------------------- Lannanaia              
  |                                               
--+  +-------------------- Pilsbryoconcha         
  |  |                                            
  +--+  +----------------- Songkhlanaia           
     |  |                                         
     |  |           +----- Nyeinchanconcha        
     +--+  +--------+                             
        |  |        |  +-- Thaiconcha             
        |  |        +--+                          
        +--+           +-- Bineurus               
           |                                      
           |  +----------- Sundadontina           
           +--+                                   
              |  +-------- Pseudodon              
              +--+                                
                 |  +----- Isannaia               
                 +--+                             
                    |  +-- Namkongnaia_inkhavilayi **
                    +--+                          
                       +-- Namkongnaia_lemeslei **

Bolotov et al., 2023 [Publ 4312], fig. S2

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	38	33	7	--

  +-------------- Songkhlanaia           
  |                                      
  |           +-- Nyeinchanconcha        
--+  +--------+                          
  |  |        +-- Sundadontina           
  |  |                                   
  +--+        +-- Pseudodon              
     |  +-----+                          
     |  |     +-- Pilsbryoconcha         
     |  |                                
     +--+     +-- Namkongnaia_inkhavilayi **
        |  +--+                          
        |  |  +-- Namkongnaia_lemeslei **   
        +--+                             
           |  +-- Thaiconcha             
           +--+                          
              +-- Bineurus

Bolotov et al., 2023 [Publ 4312], fig. S1

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	36	31	7	--

  +----------------- Pilsbryoconcha         
  |                                         
  |           +----- Nyeinchanconcha        
--+  +--------+                             
  |  |        |  +-- Thaiconcha             
  |  |        +--+                          
  +--+           +-- Bineurus               
     |                                      
     |  +----------- Songkhlanaia           
     +--+                                   
        |  +-------- Sundadontina           
        +--+                                
           |  +----- Pseudodon              
           +--+                             
              |  +-- Namkongnaia_lemeslei **   
              +--+                          
                 +-- Namkongnaia_inkhavilayi **

Jeratthitikul et al., 2021 [Publ 4219], fig. 2

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	33	15	6	--

  +-------------- Pilsbryoconcha         
  |                                      
  |           +-- Nyeinchanconcha        
  |        +--+                          
--+        |  +-- Sundadontina_cumingii  
  |  +-----+                             
  |  |     |  +-- Thaiconcha             
  |  |     +--+                          
  |  |        +-- Bineurus               
  +--+                                   
     |     +----- Sundadontina_tumida    
     |  +--+                             
     |  |  |  +-- Sundadontina_brandti   
     |  |  +--+                          
     +--+     +-- Sundadontina_taskaevi  
        |                                
        |  +----- Pseudodon              
        +--+                             
           |  +-- Namkongnaia_lemeslei **   
           +--+                          
              +-- Namkongnaia_inkhavilayi **

Bolotov et al., 2023 [Publ 4312], fig. 2

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	36	31	7	--

  +----------------- Pilsbryoconcha         
  |                                         
--+  +-------------- Songkhlanaia           
  |  |                                      
  |  |        +----- Pseudodon              
  +--+  +-----+                             
     |  |     |  +-- Namkongnaia_inkhavilayi **
     |  |     +--+                          
     +--+        +-- Namkongnaia_lemeslei **   
        |                                   
        |  +-------- Sundadontina           
        +--+                                
           |  +----- Nyeinchanconcha        
           +--+                             
              |  +-- Thaiconcha             
              +--+                          
                 +-- Bineurus

Jeratthitikul et al., 2025 [Publ 4423], fig. 1

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	48	36	9	--

                    +-- Lannanaia              
  +-----------------+                          
  |                 +-- Pilsbryoconcha         
  |                                            
--+  +----------------- Songkhlanaia           
  |  |                                         
  |  |           +----- Nyeinchanconcha        
  +--+  +--------+                             
     |  |        |  +-- Thaiconcha             
     |  |        +--+                          
     +--+           +-- Bineurus               
        |                                      
        |  +----------- Sundadontina           
        +--+                                   
           |  +-------- Isannaia               
           +--+                                
              |  +----- Pseudodon              
              +--+                             
                 |  +-- Namkongnaia_inkhavilayi **
                 +--+                          
                    +-- Namkongnaia_lemeslei **

Konopleva et al., 2023 [Publ 4262], fig. 8

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	80	23	7	--

  +-------------------- Pilsbryoconcha         
  |                                            
--+  +----------------- Songkhlanaia           
  |  |                                         
  +--+              +-- Namkongnaia_inkhavilayi **
     |  +-----------+                          
     |  |           +-- Namkongnaia_lemeslei **   
     +--+                                      
        |  +----------- Pseudodon              
        +--+                                   
           |  +-------- Sundadontina           
           +--+                                
              |  +----- Nyeinchanconcha        
              +--+                             
                 |  +-- Thaiconcha             
                 +--+                          
                    +-- Bineurus

Jeratthitikul et al., 2024 [Publ 4387], fig. 1

tT	bi	riS	oT	roT	roS	iD
2	2	0	2	57	34	9	--

  +-------------- Pseudodon              
  |                                      
  |     +-------- Sundadontina           
  |  +--+                                
--+  |  |  +----- Nyeinchanconcha        
  |  |  +--+                             
  |  |     |  +-- Thaiconcha             
  |  |     +--+                          
  +--+        +-- Bineurus               
     |                                   
     |        +-- Isannaia               
     |  +-----+                          
     |  |     +-- Pilsbryoconcha         
     |  |                                
     +--+     +-- Lannanaia              
        |  +--+                          
        |  |  +-- Songkhlanaia           
        +--+                             
           |  +-- Namkongnaia_inkhavilayi **
           +--+                          
              +-- Namkongnaia_lemeslei **

Kongim et al., 2023 [Publ 4290], fig. 1

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	14	1	1	--

  +-- Namkongnaia_inkhavilayi **
--+                          
  +-- Pilsbryoconcha

Zieritz et al., 2026 [Publ 4812], fig. 5a

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	7	7	1	--

  +-- Namkongnaia_inkhavilayi **
--+                          
  +-- Pseudodon

Jeratthitikul et al., 2022 [Publ 4260], fig. S2_2

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	75	14	6	--

     +----- Pilsbryoconcha         
  +--+                             
  |  |  +-- Namkongnaia_inkhavilayi **
  |  +--+                          
  |     +-- Pseudodon              
--+                                
  |     +-- Nyeinchanconcha        
  |  +--+                          
  |  |  +-- Sundadontina           
  +--+                             
     |  +-- Thaiconcha             
     +--+                          
        +-- Bineurus

Jeratthitikul et al., 2022 [Publ 4260], fig. S1_1

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	75	14	6	--

     +----- Pilsbryoconcha         
  +--+                             
  |  |  +-- Namkongnaia_inkhavilayi **
  |  +--+                          
  |     +-- Pseudodon              
--+                                
  |     +-- Nyeinchanconcha        
  |  +--+                          
  |  |  +-- Sundadontina           
  +--+                             
     |  +-- Thaiconcha             
     +--+                          
        +-- Bineurus

Jeratthitikul & Sutcharit, 2023 [Publ 4289], fig. 1

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	12	10	6	--

  +----------- Bineurus               
  |                                   
  |     +----- Namkongnaia_inkhavilayi **
--+  +--+                             
  |  |  |  +-- Sundadontina           
  |  |  +--+                          
  +--+     +-- Nyeinchanconcha        
     |                                
     |  +----- Pseudodon              
     +--+                             
        |  +-- Pilsbryoconcha         
        +--+                          
           +-- Thaiconcha

Konopleva et al., 2021 [Publ 4213], fig. 1

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	25	17	6	--

        +----- Pilsbryoconcha_exilis__2
  +-----+                              
  |     |  +-- Pilsbryoconcha_exilis__1
  |     +--+                           
  |        +-- Namkongnaia_lemeslei **    
--+                                    
  |        +-- Pseudodon               
  |  +-----+                           
  |  |     +-- Sundadontina            
  +--+                                 
     |  +----- Nyeinchanconcha         
     +--+                              
        |  +-- Thaiconcha              
        +--+                           
           +-- Bineurus

Zieritz et al., 2024 [Publ 4381], fig. 8A

tT	bi	riS	oT	roT	roS	iD
1	1	0	1	6	6	1	--

  +-- Namkongnaia_inkhavilayi **
--+                          
  +-- Pseudodon

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