original descriptionPilsbry, H. A. (1935). Western and southwestern Amnicolidae and a new <i>Humboldtiana</i>. <em>The Nautilus.</em> 48(3):91-94., available online athttps://www.biodiversitylibrary.org/page/8520928 page(s): 92, fig. 1 [details]
additional sourceGregg, W. O. (1941). <i>Fluminicola avernalis</i> and <i>Fluminicola avernalis carinifera</i> from Nevada. <em>The Nautilus.</em> 54(4): 117-118., available online athttps://www.biodiversitylibrary.org/page/8519276[details]