Longstaff. 1914. Journal of the Linnean Society, Zoology 32.

Longstaff, 1914. J. Linn. Soc., Zool. 32: 255, pl. 18, figs. 9-10.
(intro'd as intra-sp. of Unio parreyssi Philippi, 1848)
Type(s): HOLOTYPE BMNH_1922-6-8-1218, N of Gebel Ahmed, S. Sudan.

Longstaff, 1914. J. Linn. Soc., Zool. 32: 255, pl. 18, fig. 11.
(intro'd as intra-sp. of Unio parreyssi Philippi, 1848)
Type(s): UNKNOWN BMNH_1922-6-8-1214, S of Melut, S Sudan.

Longstaff, 1914. J. Linn. Soc., Zool. 32: 256, pl. 18, figs. 12-14.
(intro'd as intra-sp. of Unio teretiusculus Philippi, 1847)
Type(s): HOLOTYPE BMNH_1923-6-8-1219, near Mogran, S. Sudan.

Longstaff, 1914. J. Linn. Soc., Zool. 32: 253, pl. 18, figs. 4-7.
(intro'd as intra-sp. of Unio aegyptiacus Cailliaud, 1827)
Type(s): SYNTYPES BMNH_1923-6-8-1214-1216, Lake Shambe, [Bahrel-Gebel] Southern Sudan.