@misc{indiciae5f3b2f3118e9,
  title = {Malacologia — Illustration, Figs. 278-279, 281-182, 287 \& 291 / Page 211},
  year = {1969},
  url = {https://www.biodiversitylibrary.org/page/13094704},
  note = {Source identifier: page-13094704}
}