Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma triquetra
‘de Gregorio’ Parmalee & Bogan, 1998. The Freshwater Mussels of Tennessee: 108.
‘de Gregorio’ Williams et al., 2008. Freshw. Mussels AL and Mobile Basin: 283.
(error for Unio triangularis var. longiusculus de Gregorio, 1914)