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Taxonomic Details for Gemma gemma
  
    
      | Systematic Resumé: | 
      
        | Kingdom | Animalia |  
        | Subkingdom | Bilateria |  
        | Infrakingdom | Protostomia |  
        | Superphylum | Lophozoa |  
        | Phylum | Mollusca |  
        | Class | Bivalvia |  
        | Subclass | Heterodonta |  
        | Order | Veneroida |  
        | Superfamily | Veneroidea |  
        | Family | Veneridae |  
        | Genus | Gemma |  
        | Species | Gemma gemma |  
        | 
     
    
      | Common Name: | 
      amethyst gemclam | 
     
    
      | Observations: | 
      Species observed during GCE monitoring studies | 
     
    
      | Authority: | 
      (Totten, 1834) | 
     
    
      | ITIS TSN: | 
      81511   (click on the taxonomic serial number to view the ITIS web page) | 
     
    
      | Habitats: | 
      Salinity Zone: Brackish water, Salinity Zone: Marine | 
     
    
      | GCE Contact: | 
      Steven C. Pennings, University of Houston, Houston, Texas | 
     
    
      
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      | GCE Data Sets: | 
      INV-GCEM-0501a2 (Mollusc population size distribution monitoring: Spring 2003 mid-marsh and creekbank infaunal and epifaunal mollusc size distributions based on collections from GCE marsh, monitoring sites 1-10) 
        INV-GCEM-0501a1 (Mollusc population abundance monitoring: Spring 2003 mid-marsh and creekbank infaunal and epifaunal mollusc abundance based on collections from GCE marsh, monitoring sites 1-10) 
        INV-GCEM-0412a2 (Mollusc population size distribution monitoring: Spring 2002 mid-marsh and creekbank infaunal and epifaunal mollusc size distributions based on collections from GCE marsh, monitoring sites 1-10) 
        INV-GCEM-0412a1 (Mollusc population abundance monitoring: Spring 2002 mid-marsh and creekbank infaunal and epifaunal mollusc abundance based on collections from GCE marsh, monitoring sites 1-10)  | 
     
   
 
    
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