Christensen, C.C.; Reeder, R.L. (1981). New Records of Sonorella (Pulmonata: Helminthoglyptidae) from the Table Top Mountains, Pinal County, Arizona, with a description of Sonorella milleri, new species. Southwestern Naturalist, 26(4): 341-344.
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Christensen, C.C.; Reeder, R.L.
1981
New Records of Sonorella (Pulmonata: Helminthoglyptidae) from the Table Top Mountains, Pinal County, Arizona, with a description of Sonorella milleri, new species.