Pyganodon

Pyganodon is a genus of freshwater mussels, aquatic bivalve mollusks in the subfamily Unioninae of the family Unionidae, the river mussels.

Species within the genus Pyganodon

 * Pyganodon cataracta (Say, 1817)
 * Pyganodon fragilis ( Lamarck, 1819)
 * Pyganodon gibbosa (Say, 1824)
 * Pyganodon grandis (Say, 1829)
 * Pyganodon lacustris (I. Lea, 1857)
 * Synonyms:
 * Pyganodon implicata (Say, 1829) : synonym of Utterbackiana implicata (Say, 1829)
 * Pyganodon lugubris (Say, 1829) : synonym of Pyganodon grandis (Say, 1829)
 * Pyganodon marginata (Say, 1817) : synonym of Pyganodon cataracta (Say, 1817)
 * Pyganodon simpsonaia (I. Lea, 1861) : synonym of Pyganodon grandis (Say, 1829)
 * Pyganodon simpsoniana (I. Lea, 1861) : synonym of Pyganodon grandis (Say, 1829)