Occurrences (2)

• 

  Metazoa Mollusca Bivalvia Unionoida Unionidae Megalonaias

  Occurrence ID: 6605880
  38° 30' 31" N, 90° 36' 9" W
  (accy.: 500m)
  
  specimen images available

  Megalonaias gigantea Barnes ssp. gigantea
  Vereinigte Staaten von Amerika, Meramec River, Times Beach, Montana - 11.7.1971

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

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• 

  Metazoa Mollusca Bivalvia Unionoida Unionidae Megalonaias

  Occurrence ID: 6605269
  38° 23' 25" N, 90° 20' 44" W
  (accy.: 5000m)
  
  specimen images available

  Megalonaias gigantea Barnes ssp. gigantea
  Vereinigte Staaten von Amerika, Meramec River, südl. St. Louis, Mo. - 3.8.1970

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

  find out more