MolluscaBase source details
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Anguispira holroydensis L. S. Russell, 1956 † (basis of record)
Anguispira russelli Tozer, 1956 † (basis of record)
Binneya antiqua L. S. Russell, 1955 † accepted as Omalonyx antiqua (L. S. Russell, 1955) † (basis of record)
Craterarion pachyostracon D. W. Taylor, 1954 † accepted as Deroceras pachyostracon (D. W. Taylor, 1954) † (basis of record)
Gastrocopta (Albinula) montana B. Roth, 1986 † represented as Gastrocopta montana B. Roth, 1986 † (original description)
Gastrocopta (Albinula) sagittaria B. Roth, 1986 † represented as Gastrocopta sagittaria B. Roth, 1986 † (original description)
Gastrocopta cordillerae B. Roth, 1986 † (original description)
Gastrodonta coryphodontis T. D. A. Cockerell, 1914 † (additional source)
Gastrodonta imperforata G. D. Hanna, 1920 † (additional source)
Glypterpes rotundatus (L. S. Russell, 1931) † (basis of record)
Glypterpes veternus (Meek & Hayden, 1861) † (basis of record)
Helix adipis C. A. White, 1886 † (additional source)
Helix riparia C. A. White, 1876 † (additional source)
Helminthoglypta bozemanensis B. Roth, 1986 † (original description)
Holospira adventicia L. S. Russell, 1955 † (basis of record)
Holospira dyeri Tozer, 1956 † (basis of record)
Holospira grangeri T. D. A. Cockerell, 1914 † (basis of record)
Holospira leidyi (Meek, 1873) † (basis of record)
Monadenia (Shastelix) marginicola (Conrad, 1871) † represented as Monadenia marginicola (Conrad, 1871) † (basis of record)
Monadenia antecedens (Stearns, 1900) † (basis of record)
Monadenia dubiosa (Stearns, 1902) † (basis of record)
Omphalina laminarum T. D. A. Cockerell, 1906 † (status source)
Omphalina oreodontis T. D. A. Cockerell & J. Henderson, 1912 † (status source)
Oreoconus jepseni (L. S. Russell, 1931) † (basis of record)
Oreohelix nacimientensis (C. A. White, 1886) † (status source)
Polygyra expansa G. D. Hanna, 1920 † (status source)
Polygyra petrochlora T. D. A. Cockerell, 1914 † (additional source)
Polygyrella amplexa (Meek & Hayden, 1857) † (basis of record)
Polygyrella venerabilis (L. S. Russell, 1937) † (basis of record)
Protornatellina isoclina (C. A. White, 1895) † (basis of record)
Pseudarinia uniplica Yen, 1954 † (basis of record)
Pseudocolumna haydeniana (T. D. A. Cockerell, 1906) † (basis of record)
Pseudocolumna spitzia Tozer, 1956 † (basis of record)
Pseudocolumna vermicula (Meek & Hayden, 1856) † (basis of record)
Pupa incolata C. A. White, 1876 † (status source)
Pupoides (Ischnopupoides) tephrodes B. Roth, 1986 † represented as Pupoides tephrodes B. Roth, 1986 † (original description)
Radiocentrum anguliferum (Whiteaves, 1885) † (basis of record)
Radiocentrum hendersoni (L. S. Russell, 1938) † (basis of record)
Radiocentrum laevidomus B. Roth, 1986 † (original description)
Radiocentrum taylori B. Roth, 1986 † (original description)
Radiocentrum thurstoni (L. S. Russell, 1926) † (basis of record)
Rhiostoma americana G. D. Hanna, 1920 † accepted as Rhiostoma americanum G. D. Hanna, 1920 † (basis of record)
Vespericola dallii (Stearns, 1885) † (basis of record)
Montana for Gastrocopta (Albinula) sagittaria B. Roth, 1986 †
Montana for Gastrocopta cordillerae B. Roth, 1986 †
Montana for Helminthoglypta bozemanensis B. Roth, 1986 †
Montana for Pupoides (Ischnopupoides) tephrodes B. Roth, 1986 †
Montana for Radiocentrum laevidomus B. Roth, 1986 †
Montana for Radiocentrum taylori B. Roth, 1986 †
Genus of original proposal almost certainly incorrect; allocation uncertain, possibly helicoid (Pilsbry 1946; Solem ... [details]
Genus of original proposal almost certainly incorrect; allocation uncertain, possibly helicoid (Pilsbry 1946; Solem ... [details]
La Rocque (1960) noted the similarity of "Helix" riparia White, 1876, from the Flagstaff Formation, Paleocene and ... [details]
Genus classification uncertain. [details]
Probably not an oreohelicid but perhaps a Helminthoglyptidae according to Roth (1986). [details]
Genus classification uncertain. [details]
Genus classification uncertain. [details]
U.S. Geological Survey Cenozoic Locality 20007, Montana: Gallatin County: NW1/4 SW1/4 sec. 36, T1N, R1W, Three ... [details]
U.S. Geological Survey Cenozoic Locality 20009, Montana: Jefferson County: NE1/4 NE1/4 NE1/4 sec. 11, T 2 N, R 1 W, ... [details]
U.S. Geological Survey Cenozoic Locality 20015, Montana: Broadwater County: NW1/4 SW1/4 sec. 3, T 2 N, R 1 E, Three ... [details]
U.S. Geological Survey Cenozoic locality 20011, Montana: Broadwater County: SE1/4 NW1/4 sec. 6, T 2 N, R 2 E, Three ... [details]
U.S. Geological Survey Cenozoic Locality 20015, Montana: Broadwater County: NW1/4 SW1/4 sec. 3, T 2 N, R 1 E, Three ... [details]
U.S. Geological Survey Cenozoic Locality 20007, Montana: Gallatin County: NW1/4 SW1/4 sec. 36, T1N, R1W, Three ... [details]
U.S. Geological Survey Cenozoic Locality 20015, Montana: Broadwater County: NW1/4 SW1/4 sec. 3, T 2 N, R 1 E, Three ... [details]
