Utterback, W.I. 1916. The naiades of Missouri. V. American Midland Naturalist 4(7): 311-327. Available electronically.
Utterback, 1915. Amer. Midl. Nat. 4(3): 47.
Utterback, 1916. Amer. Midl. Nat. 4(7): 7.
(incorrect original spelling of Megalonaias Utterback, 1915)
Type species: Unio heros Say, 1829 (original designation) = Megalonaias nervosa
Utterback, 1915. Amer. Midl. Nat. 4(4): 123.
Utterback, 1916. Amer. Midl. Nat. 4(7): 43.
(correct name for Magnonaias Utterback, 1915)
Type species: Unio heros Say, 1829 = Megalonaias nervosa
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 81.
Clessin, 1873. Conchyl. Cab. 9(1): 243, pl. 17, figs. 5-7.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [7].
Call, 1895. Trans. Acad. Sci. St. Louis 7: 60.
Utterback, 1916. Amer. Midl. Nat. 4(7): 311.
Frierson, 1927. Check List N. Amer. Naiades: 23.
(error for Anodonta shaefferiana Lea, 1852)
+ Unio cornutus Barnes, 1823
+ Anodonta shaefferiana Lea, 1852