Pleurobema rubellum (Conrad, 1834)  

Family: Unionidae

brown pigtoe, more...dark pigtoe, hazel pigtoe, Warrior pigtoe

[Pleurobema avellana Simpson, 1900, morePleurobema avellanum Simpson, 1900, Pleurobema fictum Frierson, 1927, Pleurobema furvum (Conrad, 1834), Pleurobema hagleri (Frierson, 1900), Unio furvus Conrad, 1834, Unio hagleri Frierson, 1900, Unio pulvinulus Lea, 1845, Unio rubellus Conrad, 1834]