Anodontites allporti (C. A. White, 1887) † (basis of record)
Anodontites hartti (C. A. White, 1887) † (basis of record)
Anodontites mawsoni (C. A. White, 1887) † (basis of record)
Anodontites totiumsanctorum (Hartt, 1870) † (basis of record)
Artemon alminoaffonsicum Maury, 1934 † accepted as Streptaxis alminoaffonsicum (Maury, 1934) † (basis of record)
Aylacostoma (Longiverena) Pilsbry & Olsson, 1935 accepted as Longiverena Pilsbry & Olsson, 1935 (basis of record)
Aylacostoma (Longiverena) coronata (Etheridge, 1879) † accepted as Sheppardiconcha coronata (Etheridge, 1879) † (basis of record)
Aylacostoma (Verena) H. Adams & A. Adams, 1854 accepted as Verena H. Adams & A. Adams, 1854 accepted as Aylacostoma Spix, 1827 (basis of record)
Aylacostoma (Verena) woodwardi (Roxo, 1924) † accepted as Melongena woodwardi (Roxo, 1924) † (basis of record)
Aylacostoma bicarinata (Etheridge, 1879) † accepted as Dyris bicarinatus (Etheridge, 1879) † (basis of record)
Aylacostoma browni [sic] † accepted as Aylacostoma brownii (Etheridge, 1879) † (basis of record)
Aylacostoma catandubica (Maury, 1934) † (basis of record)
Aylacostoma septecinctus [sic] † accepted as Sheppardiconcha septencincta (Roxo, 1937) † (basis of record)
Aylacostoma tricarinata (Etheridge, 1879) † accepted as Dyris gracilis Conrad, 1871 † (basis of record)
Biomphalaria bourguyi (Roxo, 1924) † accepted as Cochliopina bourguyi (Roxo, 1924) † (basis of record)
Bulimulus lamegoi (Maury, 1935) † accepted as Itaborahia lamegoi Maury, 1935 † (basis of record)
Diplodon lucianoi Maury, 1934 † (basis of record)
Ecuadoria [sic] † accepted as Diplodon (Ecuadorea) W. B. Marshall & Bowles, 1932 † represented as Diplodon Spix, 1827 (basis of record)
Ecuadoria bibliana [sic] † accepted as Diplodon (Ecuadorea) bibliana (W. B. Marshall & Bowles, 1932) † accepted as Diplodon biblianus (W. B. Marshall & Bowles, 1932) † (basis of record)
Hydrobia lintea (Conrad, 1871) † accepted as Dyris lintea (Conrad, 1871) † (basis of record)
Hydrobia ortoni (Gabb, 1869) † accepted as Dyris ortoni (Gabb, 1869) † (basis of record)
Itaimbea [sic] † accepted as Itaimbeia Mezzalira, 1974 † (basis of record)
Neritina prolabiata C. A. White, 1887 † (basis of record)
Pachychilus terebriformis (J. Morris, 1859) † (basis of record)
Pachydon acreanus (Maury, 1937) † accepted as Callonaia acreana (Maury, 1937) † (basis of record)
Pachydon tumidus (Etheridge, 1879) † accepted as Pachydon cuneatus (H. Woodward, 1871) † (basis of record)
Pleurocera nicolayana (Hartt, 1870) † (basis of record)
Sancticarolis tolentinoi Mezzalira, 1974 † (basis of record)
Sphaerium ativum C. A. White, 1887 † (basis of record)
Spirotropis patagonica (A. d'Orbigny, 1841) accepted as Bela patagonica (A. d'Orbigny, 1841) (additional source)
Taxodontites Simone & Mezzalira, 1997 † (original description (unavailable nomenclaturally))
Thaumastus magnificus othoni Maury, 1935 † (basis of record)
Tryonia laqueata (Conrad, 1871) † accepted as Lorus minusculus (Gabb, 1869) † (basis of record)
Tryonia minuscula (Gabb, 1869) † accepted as Lorus minusculus (Gabb, 1869) † (basis of record)
Vorticifex fluminensis (Brito, 1967) † accepted as Eoborus sanctijosephi (Maury, 1935) † (basis of record)

 Synonymy

 for Melania nicolayana Hartt, 1870 †

Considered a synonym of Pachychilus terebriformis Morris, 1859, described from the same locality, by Parodiz (1969) ... [details]