Williams, J.D., A.E. Bogan & J.T. Garner. 2009. A new species of freshwater mussel, Anodonta harfieldorum (Bivalvia: Unionidae), from the Gulf Coastal Plain drainages of Alabama, Florida, Louisiana, and Mississippi, USA. Nautilus 123(2): 25-33. Available electronically.
Williams et al., 2009. Nautilus 123(2): 26, figs. 2-3.