CaRMS Taxon list
Amnicola limosus (Say, 1817)
Angustassiminea succinea (L. Pfeiffer, 1840)
Assiminea succinea (L. Pfeiffer, 1840) accepted as Angustassiminea succinea (L. Pfeiffer, 1840)
Caecum cooperi S. Smith, 1860
Caecum johnsoni Winkley, 1908
Caecum pulchellum W. Stimpson, 1851
Circulus dalli K. J. Bush, 1897 accepted as Cyclostremiscus dalli (K. J. Bush, 1897)
Circulus liratus (A. E. Verrill, 1882)
Cyclostremiscus dalli (K. J. Bush, 1897)
Cyclostremiscus pentagonus (Gabb, 1873)
Ecrobia truncata (Vanatta, 1924)
Elachisina globuloides (Warén, 1972)
Heleobops carrikeri G. M. Davis & McKee, 1989
Hydrobia minuta (Totten, 1834) accepted as Ecrobia truncata (Vanatta, 1924)
Hydrobia totteni J. P. E. Morrison, 1954 accepted as Ecrobia truncata (Vanatta, 1924)
Hydrobia truncata (Vanatta, 1924) accepted as Ecrobia truncata (Vanatta, 1924)
Littoridinops monroensis (Frauenfeld, 1863)
Littoridinops tenuipes (Couper, 1844)
Lyogyrus limosus (Say, 1817) accepted as Amnicola limosus (Say, 1817)
Onobops jacksoni (Bartsch, 1953)
Spurwinkia salsa (Pilsbry, 1905)
Teinostoma umbilicatum (H. C. Lea, 1845)
Truncatella subcylindrica (Linnaeus, 1767)
Vitrinella carinata (A. d'Orbigny, 1842) (uncertain > nomen dubium )
Vitrinella diaphana (A. d'Orbigny, 1842) accepted as Vitrinella pusilla (L. Pfeiffer, 1840)
Vitrinella pusilla (L. Pfeiffer, 1840)
Vitrinella tryoni K. J. Bush, 1897