@article{MolluscaBase:SourceID:294307, author = {Haas, F.}, journal = {Fieldiana: Zoology}, note = {Stated date: 6 July 1951}, issue = {46}, pages = {503-545.}, title = {Remarks on and descriptions of South American non-marine shells}, url = {https://www.biodiversitylibrary.org/page/2784155}, volume = {31}, year = {1951} }