Sowerby, G. B. III. (1873). On three new species of land-shells from Madagascar. <em>Proceedings of the Zoological Society of London.</em> 1873: 452–453. [August]., available online athttps://www.biodiversitylibrary.org/page/28504709 page(s): 452 [details]
MolluscaBase eds. (2021). MolluscaBase. Cyclostoma vexillum G. B. Sowerby III, 1873. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1438954 on 2024-03-28
original descriptionSowerby, G. B. III. (1873). On three new species of land-shells from Madagascar. <em>Proceedings of the Zoological Society of London.</em> 1873: 452–453. [August]., available online athttps://www.biodiversitylibrary.org/page/28504709 page(s): 452 [details]