IRMNG Taxon list
Antrobia culveri Hubricht, 1971
Antroselates spiralis Hubricht, 1963
Aphaostracon asthenes F.G. Thompson, 1968
Aphaostracon chalarogyrus F.G. Thompson, 1968
Aphaostracon hypohyalinum F.G. Thompson, 1968
Aphaostracon monas (Pilsbry, 1899)
Aphaostracon pachynotum F.G. Thompson, 1968
Aphaostracon pycnum F.G. Thompson, 1968
Aphaostracon rhadinum F.G. Thompson, 1968
Aphaostracon theiocrenetum F.G. Thompson, 1968
Aphaostracon xynoelictum F.G. Thompson, 1968
Aroapyrgus chefinesnoel Rolán, 2010
Balconorbis uvaldensis Hershler & Longley, 1986
Cochliopa texana Pilsbry, 1935
Cochliopina riograndensis (Pilsbry & Ferriss, 1906)
Heleobia australis (d'Orbigny, 1835)
Heleobia conexa (M.C. Gaillard, 1974)
Heleobia dalmatica (Radoman, 1974)
Heleobia robusta da Silva & Veitenheimer-Mendes, 2004
Heleobia stagnorum (Gmelin, 1791)
Heleobops carrikeri Davis & McKee, 1989
Heleobops docimus F.G. Thompson, 1968
Littoridina angustiarum Preston, 1915
Littoridina crosseana (Pilsbry, 1910)
Littoridina faminensis Preston, 1915
Littoridina limosa Preston, 1915
Littoridina lioneli Preston, 1915
Littoridina sphinctostoma Abbott & Ladd, 1953 accepted as Texadina spinctostoma (Abbott & Ladd, 1953)
Onobops crassus F.G. Thompson, 1968
Onobops jacksoni (Bartsch, 1953)
Pyrgophorus cisterninus (Küster, 1852)
Pyrgophorus coronatus (Pfeiffer, 1840)
Pyrgophorus parvulus (Guilding, 1828)
Pyrgophorus platyrachis F.G. Thompson, 1968
Pyrgophorus spinosus (Call & Pilsbry, 1886)
Semisalsa stagnorum (Gmelin, 1791) accepted as Heleobia stagnorum (Gmelin, 1791)
Spurwinkia salsa (Pilsbry, 1905)
Texadina barretti (Morrison, 1965)
Texadina sphinctostoma (Abbott & Ladd, 1951)
Texadina spinctostoma (Abbott & Ladd, 1953)
Tryonia adamantina Taylor, 1987
Tryonia aequicostata (Pilsbry, 1889)
Tryonia alamosae Taylor, 1987
Tryonia angulata Hershler & Sada, 1987
Tryonia brevissima (Pilsbry, 1890)
Tryonia brunei Taylor, 1987
Tryonia cheatumi (Pilsbry, 1935)
Tryonia circumstriata (Leonard & Ho, 1960)
Tryonia clathrata Stimpson, 1865
Tryonia diaboli (Pilsbry & Ferriss, 1906)
Tryonia elata Hershler & Sada, 1987
Tryonia ericae Hershler & Sada, 1987
Tryonia gilae Taylor, 1987
Tryonia imitator (Pilsbry, 1899)
Tryonia kosteri Taylor, 1987
Tryonia margae Hershler, 1989
Tryonia protea (Gould, 1855)
Tryonia quitobaquitae Hershler, 1988
Tryonia robusta Hershler, 1989
Tryonia rowlandsi Hershler, 1989
Tryonia salina Hershler, 1989
Tryonia variegata Hershler & Sada, 1987