original description (unavailable nomenclaturally)
Andrusov N. (1890). Kerchenskiy izvestnyak i yego fauna. <em>Zapiski Imperatorskago S.-Petersburgskago Mineralogicheskago Obshchestva, seriya 2.</em> 26: 193-344.
page(s): 291 [details]
From editor or global species database
Status Andrusov (1890) wrote for Rissoa grandis and R. barbotii (translated from Russian): "Both species are distinguished by their large size, but standing very close to each other. [...] A detailed description will be given elsewhere." No valid description could be found in a subsequent publication. [details]