@misc{indiciae2294ed1008bd,
  title = {Fauna Boica, oder, Gemeinnützige Naturgeschichte der Thiere Bayerns / Fauna Boica, oder, Gemeinnützige Naturgeschichte der Thiere Bayerns. [v.6], [Snails] — Illustration, Page 39 / Plate 7},
  year = {1834},
  url = {https://www.biodiversitylibrary.org/page/50886671},
  note = {Source identifier: page-50886671}
}