Summary[
edit] Description: English: Granigyra pruinosa (Jeffreys, 1883); unassigned in the superfamily Seguenzioidea. Date: 1888. Source:
https://www.biodiversitylibrary.org/item/77914 G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia; pl. 34 # 30]. Author: G.W. Tryon.