Carinifex jacksonensis J.Henderson, 1932 | 
Carinifex minor Cooper, 1870 | 
Carinifex newberryi (Lea, 1858) |
Carinifex newberryi occidentale Hanna, 1924 | 
Helisoma anceps (Menke, 1830) | 
Helisoma binneyi (Tryon, 1867) |
Helisoma trivolvis (Say, 1817) | 
Planorbella campanulata (Say, 1821) | 
Planorbella duryi (Wetherby, 1879) |
Planorbella occidentalis (Cooper, 1870) | 
Planorbella scalaris (Jay, 1839) | 
Planorbella smithi (F.C.Baker, 1912) |
Planorbella trivolvis (Say, 1817) | 
Planorbella trivolvis intertextum (Sowerby, 1878) | 
Planorbula armigera (Say, 1821) |
Vorticifex effusa (Lea, 1856) | | |
