(Pilsbry, 1928) Littoridinops monroensis (Frauenfeld, 1863) Littoridinops tampicoensis (Pilsbry & Hinkley, 1907) Littoridinops tenuipes (Couper, 1844) Mexicenotica xochii Grego, Angyal & Liévano-Beltrán, 2019 Mexipyrgus carranzae Taylor, 1966 Mexithauma quadripaludium Taylor, 1966 Minckleyella balnearis Hershler, Liu & Landye, 2011 Paludiscala caramba Taylor, 1966 Phreatoceras taylori (Hershler & Longley, 1986) Pseudotryonia mica Hershler, Liu & Landye, 2011 Pseudotryonia pasajae Hershler, Liu & Landye, 2011 Pyrgophorus coronatus (Pfeiffer, 1840) Pyrgophorus cisterninus (Küster, 1852) Pyrgophorus spinosus (Call & Pilsbry, 1886) Pyrgophorus cenoticus Grego, Angyal & Beltrán, 2019 Tepalcatia bakeri (Pilsbry, 1891) Tepalcatia polia (Thompson & Hershler, 1991) Tepalcatia tela Thompson & Hershler, 2002 Texadina sphinctostoma (Abbott & Ladd, 1951) Tryonia allendae Hershler, Liu & Landye, 2011 Tryonia angosturae Hershler, Liu & Landye, 2011 Tryonia chuviscarae Hershler, Liu & Landye, 2011 Tryonia contrerasi Hershler, Liu & Landye, 2011 Tryonia dugesiana (Morrison, 1945) Tryonia hertleini (Drake, 1956) Tryonia imitator (Pilsbry, 1899) Tryonia julimesensis Hershler, Liu & Landye, 2011 Tryonia mariae (Morrison, 1945) Tryonia minckleyi Hershler, Liu & Landye, 2011 Tryonia molinae Hershler, Liu & Landye, 2011 Tryonia ovata Hershler, Liu & Landye, 2011 Tryonia peregrina Hershler, Liu & Landye, 2011 Tryonia pilsbryi (Morrison, 1945) Tryonia porrecta (Mighels, 1845) Tryonia santarosae Hershler, Landye, Liu, De la Maza-Benignos, Ornelas & Carson, 2014 Tryonia seemani (Frauenfeld, 1863) Tryonia shikueii Hershler, Landye, Liu, De la Maza-Benignos, Ornelas & Carson, 2014 Tryonia taylori Hershler, Liu & Landye, 2011 Tryonia zaragozae Hershler, Liu & Landye, 2011 Hydrobiidae Cincinnatia integra (Say, 1829) Ecrobia truncata (Vanatta, 1924) Pyrgulopsis acarinatus (Hershler, 1985) Pyrgulopsis bernardina (Taylor, 1987) Pyrgulopsis brandi (Drake, 1953) Pyrgulopsis californiensis (Gregg & Taylor, 1965) Pyrgulopsis cedrosensis (Pilsbry, 1927) Pyrgulopsis chihuahua (Pilsbry, 1928) Pyrgulopsis manantiali (Hershler, 1985) Pyrgulopsis minckleyi (Taylor, 1966) Pyrgulopsis palomasensis (Pilsbry, 1895) Pyrgulopsis patzcuarensis Pilsbry, 1891 Pyrgulopsis thompsoni Hershler, 1988 Lithoglyphidae Phreatomascogos gregoi Czaja & Estrada-Rodríguez, 2019 Pterides bisinulabris Pilsbry, 1909 Pterides pterostoma Pilsbry, 1909 Pterides rhabdus Pilsbry, 1909 Valvatidae Valvata beltrami Contreras-Arquieta, 1993 Valvata humeralis Say, 1829 Lymnaeidae Galba bulimoides (Lea, 1841) Galba cubensis (Pfeiffer, 1839) Galba humilis (Say, 1822) Galba modicella (Say, 1825) Galba obrussa (Say, 1825) Galba viator (Orbigny, 1835) Ladislavella elodes (Say, 1821) Lymnaea stagnalis (Linnaeus, 1758) Pseudosuccinea columella (Say, 1817) Physidae Amecanauta jaliscoensis Taylor, 2003 Austrinauta elatus (Gould, 1853) Chiapaphysa grijalvae Taylor, 2003 Mayabina bullula (Crosse & Fischer, 1882) Mayabina polita Taylor, 2003 Mayabina spiculata (Morelet, 1849) Mayabina tapanensis (Crosse & Fischer, 1882) Mexinauta aurantia (Carpenter, 1857) Mexinauta impluviatus (Morelet, 1849) Mexinauta nitens (Philippi, 1841) Mexinauta