Roth, B. (1985). A new species of Punctum (Gastropoda: Pulmonata: Punctidae) from the Klamath Mountains, California, and first Californian records of Planogyra clappi (Valloniidae). Malacological Review, 18: 51-56.
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Roth, B.
1985
A new species of Punctum (Gastropoda: Pulmonata: Punctidae) from the Klamath Mountains, California, and first Californian records of Planogyra clappi (Valloniidae).