Gude G. K. (1896). Armature of helicoid landshells. Science-Gossip Science-Gossip29(23): 88-92, 126-128, 154-156, 178-181, 204-207, 244-246, 274-276, 300-302, 10-11, 36-37, 70-71, 102-103, 138-139, 170-171, 231-232, 263-264, 284-285, 15-17, 74-76, 114-115, 133-134, 170-172, 239-240, 332-333, 15-17, 75-77, 147-149, 174-177. - description of Plectopylis - type genus of Plectopylidae
Gude G. K. (1900). "Further notes on helicoid land shells from Japan, the Loo-Choo, and Bonin Islands, with descriptions of seven new species". Proceedings of the Malacological Society of London4: 70-80.
^Páll-Gergely B. & Hunyadi A. (2013). "The family Plectopylidae Möllendorff 1898 in China (Gastropoda, Pulmonata)". Archiv für Molluskenkunde142(1): 1-66. doi:10.1127/arch.moll/1869-0963/142/001-066.