MolluscaBase eds. (2024). MolluscaBase. Pusula orientalis F. A. Schilder, 1939 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=833520 on 2024-03-28
original description(ofPusula olssoni Petuch & Drolshagen, 2011 †)Petuch, E. J.; Drolshagen, M. (2011). <i>Compendium of Florida fossil shells</i>, volume 1. Wellington, Florida: MdM Publishing. 412 pp. [details] Available for editors [request]