Children (10 direct children, 15 direct and indirect children):
Pyganodon gibbosa
Inflated floater
Pyganodon cataracta
(tree size 1)
Eastern floater
Pyganodon grandis
(tree size 4)
Giant floater
Pyganodon fragilis
Newfoundland floater
Pyganodon lacustris
Pyganodon implicata
Pyganodon lugubris
Pyganodon marginata
Pyganodon simpsonaia
Pyganodon simpsoniana