Pyganodon cataracta (Say, 1817)  

Family: Unionidae

eastern floater, more...eastern floater, Gaspe floater

[Anodonta atra Rafinesque, 1820, moreAnodonta cataracta Say, 1817, Anodonta cataracta cataracta Say, 1817, Anodonta cataracta marginata Say, 1817, Anodonta cuneata Rafinesque, 1820, Anodonta dariensis Lea, 1858, Anodonta digonota Rafinesque, 1831, Anodonta doliaris Lea, 1863, Anodonta excurvata DeKay, 1843, Anodonta marginata Say, 1817, Anodonta teres Conrad, 1834, Anodonta tryonii Lea, 1862, Anodonta virgulata Lea, 1857, Anodonta williamsii Lea, 1862, Pyganodon marginata (Say, 1817)]