Unio nyassaensis var. tanganyicensis E.A. Smith, 1881
E.A. Smith, 1881, Proc. Zool. Soc. London 1881: 298, pl. 34, fig. 34a.
(intro'd as intra-sp. of Unio nyassaensis Lea, 1864; homonym of Unio tanganyicensis E.A. Smith, 1880; renamed Unio nyassaensis var. ujijiensis Crosse, 1881)
Type(s): HOLOTYPE BMNH_80-12-20-39, Lake Tanganyika.

Unio nyassaensis var. ujijiensis Crosse, 1881
Crosse, 1881, J. de Conch. 29: 294, var. B.
(intro'd as intra-sp. of Unio nyassaensis Lea, 1864; new name for Unio nyassaensis var. tanganyicensis E.A. Smith, 1881)
Type(s): HOLOTYPE BMNH_80-12-20-39, Lake Tanganyika.

Unio ujijiensis Bourguignat, 1883
‘Crosse’ Bourguignat, 1883, Moll. Fluv. Nyanza: 18.
Bourguignat, 1885, Bull. Soc. Malac. France 2: 7 [as ‘Grandidieria ujijiensis’].
‘Crosse’ Bourguignat, 1885, Notice Prodr. Moll. Giraud Tanganika: 94 [as ‘Grandidieria ujijiensis’].
‘Crosse’ Bourguignat, 1885, Esp. Nouv. et Genres Nouv. Lac Oukékérewe et Tanganika: 22 [as ‘Grandidieria ujijiensis’].
(reference to Unio nyassaensis var. ujijiensis Crosse, 1881)

Ruellania nyassaensis Leloup, 1950
‘Lea’ of Authors.
Paetel, 1890, Cat. Conch.-Samml. 3: 113.
Leloup, 1950, Res. Sci. Explor. Hydrob. Lac Tanganyika (1946-1947) 3: 31, figs. 5, 12-14; pl. 4, fig. 1.
(misidentified reference to Unio nyassaensis Lea, 1864)

Nyassunio ujijensis Daget, 1998
‘Crosse’ Daget, 1998, Cat. Bivalves Africains: 79.
(error for Unio nyassaensis var. ujijiensis Crosse, 1881)