Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pegias fabula
‘de Gregorio’ Parmalee & Bogan, 1998. The Freshwater Mussels of Tennessee: 169.
‘de Gregorio’ Williams et al., 2008. Freshw. Mussels AL and Mobile Basin: 483.
(error for Unio propecoelatus de Gregorio, 1914)