MolluscaBase name details
original description
(of Planorbis (Helisoma) clathratus F. Sandberger, 1880 †) Sandberger, F. (1880). Ein Beitrag zur Kenntniss der unterpleistocänen Schichten Englands. <em>Palaeontographica.</em> 27(2): 83-104., available online at https://www.biodiversitylibrary.org/page/33295212
page(s): 100-101, pl. 12, fig. 8-8c [details]
source of synonymy
Kennard, A. S.; Woodward, B. B. (1926). Synonymy of the British non-marine Mollusca (Recent and Post-Tertiary). British Museum, London, xxiv + 447 pp. [27 March]., available online at https://archive.org/download/synonymyofbritis00brit/synonymyofbritis00brit.pdf
page(s): 75 [details]