Reeder, R. L. & Roth, B. (1988). A new subgenus of Helminthoglypta (Gastropoda: Pulmonata: Helminthoglyptidae) with the description of a new species from San Bernardino, California. The Veliger. 31(3/4): 252-257.
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Reeder, R. L. & Roth, B.
1988
A new subgenus of <i>Helminthoglypta</i> (Gastropoda: Pulmonata: Helminthoglyptidae) with the description of a new species from San Bernardino, California.