Occurrences (2)

• 

  Metazoa Mollusca Bivalvia Unionoida Unionidae Arcidens

  Occurrence ID: 6605641
  38° 23' 25" N, 90° 20' 44" W
  (accy.: 5000m)

  Arcidens confragosus Say
  Vereinigte Staaten von Amerika, Meramec River, südl. St. Louis, Mo. - 3.8.1970

  leg.: Hessie Kemper, det.: Fritz Seidl, Braunau

  find out more

• 

  Metazoa Mollusca Bivalvia Unionoida Unionidae Arcidens

  Occurrence ID: 6608050
  29° 32' 23" N, 95° 33' 23" W
  (accy.: 500m)
  
  specimen images available

  Arcidens confragosus Say
  Vereinigte Staaten von Amerika, Flat Bank Creek, 1mi s of Dewalt, Fort Bend County, Texas - 14.7.1972

  leg.: Hessie Kemper, det.: Fritz Seidl, Braunau

  find out more