|                Page last updated 
                  1 June 2005  | 
              Mussel of the Month
                
                  
                    The June 2005 Mussel of the Month is Cristaria plicata. Cristaria is an Asian genus used in China to culture freshwater pearls.  
                     
                   
                   
                  AMNH 30253. Shanghai, China. John C. Jay Collection. 
                
                  Cristaria plicata is an anodontine mussel  like Pyganodon or Alasmidonta  found throughout eastern Asia, including China, Japan and Indochina. Like its North American counterparts, Cristaria has reduced hinge teeth and a subtriangular, hooked glochidium. Specimens are often very large, sometimes over a foot long! 
                  Cristaria, along with other freshwater mussel genera, is often used in the cultured pearl industry. For more information on freshwater cultured pearls, follow the links below. 
                   
                
                  Classification:
                  
                    
                      
                        
                          
                            Phylum Mollusca 
                              Class Bivalvia 
                              Subclass Palaeoheterodonta 
                              Order Unionoida 
                            Superfamily Unionoidea Rafinesque, 1820 
                            Family Unionidae s.s. 
                              Subfamily Unioninae s.s. 
                              Tribe Anodontini Rafinesque, 1820 
                               
                             
                          Genus Cristaria Schumacher, 1817 
                          Species Cristaria plicata (Leach, 1815) 
                           
                         
                       
                     
                   
                
                  For more information about freshwater pearls, check out the following:
                  
                    - American Museum of Natural History Pearls Exhibit.  Web site designed to accompany the widely traveled museum exhibition developed by the AMNH and the Field Museum of Natural History. 
 
                    - Nova Website: Cultured Freshwater Pearls.  by Fred Ward.
 
                     
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