PILSBRY, H.A. 1948. Land Mollusca of North America (north of Mexico), 2 (2). The Academy of Natural Sciences of Philadelphia, Monographs 3: i-xlvii + 521-1113.
1The current name given here should be accepted with caution. This is often my “best guess” to attempt to resolve old and new taxonomy, and in all but a few cases, the material on which records were based has not be seen and identifications not verified.
2If the name as published is not current, it is listed here.