First issued in release COL21.6.
Last used in release COL23
Published in
Studer, S. (1789). Faunula Helvetica. Class VI. Vermes. Ordo III. Testacea. - In: W. Coxe, Travels in Switzerland, in a series of letters to William Melmoth, Esq. Volume III: 384–392. London (T. Cadell in the Strand). https://www.molluscabase.org/aphia.php?p=sourcedetails&id=298135