Smith, E.A. 1893. On a collection of land and freshwater shells transmitted by Mr. H.H. Johnston, C.B., from British Central Africa. Proceedings of the Zoological Society of London 1893: 632-641. Available electronically.

E.A. Smith, 1893. Proc. Zool. Soc. London 1893: 640, pl. 59, figs. 18-20.
(renamed Prisodontopsis aviculaeformis F.R. Woodward, 1991; homonym of Unio johnstoni Etheridge, 1881)
Type(s): LECTOTYPE BMNH_1893-8-23-100 (by F.R. Woodward, 1991: 104), Lake Mweru, Central Africa.