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 Review18: 51–56.
A new species of _Punctum_ (Gastropoda: Pulmonata: Punctidae) from the Klamath Mountains, California, and first Californian records of _Planogyra clappi_ (Valloniidae)