Lapham, I.A. 1852. A systematic catalogue of the animals of Wisconsin. Transactions of the Wisconsin State Agricultural Society 2: 337-419. https://books.google.com/books?id=mBBKAAAAcAAJ&pg=PA337&lpg=PA337&dq=a+systematic+catalog+of+the+animals+of+wisconsin&source=bl&ots=yhYWNuzSq4&sig=iovbudgk_0QgAXHasnA3T0K_nt0&hl=en&sa=X&ved=0CDIQ6AEwB2oVChMIzoudjcK6xwIVATGSCh3NZAOI#v=onepage&q=a%20systematic%20catalog%20of%20the%20animals%20of%20wisconsin&f=false.
‘Rafinesque’ of Authors.
Conrad, 1838. Monogr. Fam. Unionidae 1(10): 82, pl. 45, fig. 2.
Lapham, 1852. Trans. WI Agri. Soc. 2: 369.
Reeve, 1864. Conch. Icon. 16: pl. 12, sp. 43.
(reference to Obliquaria (Quadrula) bullata Rafinesque, 1820)
‘Rafinesque’ of Authors.
Conrad, 1834. New Fresh-Water Shells: 70.
Say, 1834. Amer. Conch. 6: ??.
Lapham, 1852. Trans. WI Agri. Soc. 2: 369.
Agassiz, 1852. Arch. Naturg. 18(1): 48.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 252.
(misidentified reference to Unio (Leptodea) nervosa Rafinesque, 1820)