Anatina induta Preston, 1915
Preston, 1915. Fauna Brit. India: ??.

Corbicula alberti Preston, 1915
Preston, 1915. Fauna Brit. India: 220.

Lamellidens mainwaringi Preston, 1912
‘Nevill MS’ Preston, 1912. Rec. Ind. Mus. 7: 306.
‘Nevill MS’ Preston, 1915. Fauna Brit. India: 190, text fig. 24.

Lamellidens narainporensis Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 305.
Preston, 1915. Fauna Brit. India: 187, text fig. 21.

Lamellidens nongyangensis Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 306.
Preston, 1915. Fauna Brit. India: 190, text fig. 22.

Lamellidens phenchooganjensis Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 306.
Preston, 1915. Fauna Brit. India: 190, text fig. 23.

Lamellidens marginalis var. sawaddyensis Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 305.
Preston, 1915. Fauna Brit. India: 185, text fig. 20.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Lamellidens marginalis var. sublamellatus Preston, 1912
‘Nevill, MS’ Preston, 1912. Rec. Ind. Mus. 7: 305.
Preston, 1915. Fauna Brit. India: 181, text fig. 19.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Lamellidens pulcher var. ponderosus Preston, 1915
‘Tapparone-Canifri’ Preston, 1915. Fauna Brit. India: 185.
(error for Unio pulcher var. ponderosulus Tapparone Canefri, 1889)

Margaron (Unio) cristatus Preston, 1915
‘Lea’ Preston, 1915. Fauna Brit. India: 136.
(error for Unio evitatus Lea, 1866)

Nodularia (s.s.) chaudhurii Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 290.
Preston, 1915. Fauna Brit. India: 140, text fig. 7.

Nodularia (s.s.) theobaldi Preston, 1912
‘Nevill, MS’ Preston, 1912. Rec. Ind. Mus. 7: 292.
Preston, 1915. Fauna Brit. India: 143, text fig. 8.

Parreysia (Parreysia) annandalei Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 302.
Preston, 1915. Fauna Brit. India: 173, text fig. 18.
Type(s): TYPES ZSI_M2490-1, Gowhatty.

Parreysia (s.s.) daccaensis Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 300.
Preston, 1915. Fauna Brit. India: 165, text fig. 16.
Type(s): TYPES ZSI_M6105/1, Dacca.

Parreysia (s.s.) perconvexa Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 302.
Preston, 1915. Fauna Brit. India: 172, text fig. 17.
Type(s): TYPES ZSI_M5069/1, Nangyong Lake, Burma.

Parreysia (s.s.) pernodulosa Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 300.
Preston, 1915. Fauna Brit. India: 164, text fig. 15.

Parreysia favidens var. assamensis Preston, 1912
‘Nevill, MS’ Preston, 1912. Rec. Ind. Mus. 7: 299.
‘Nevill MS’ Preston, 1915. Fauna Brit. India: 161, text fig. 12.
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Pseudodon (Trigonodon) crebristriatus var. curvata Preston, 1912
Preston, 1912. Rec. Ind. Mus. 7: 295.
Preston, 1915. Fauna Brit. India: 152, text fig. 9.
(intro'd as intra-sp. of Monocondyloea crebristriata Anthony, 1865)

Trapezoideus foliaceus var. zayleymanensis Preston, 1912
‘Nevill, MS’ Preston, 1912. Rec. Ind. Mus. 7: 307.
‘Nevill MS’ Preston, 1915. Fauna Brit. India: 194.
(intro'd as intra-sp. of Unio foliaceus Gould, 1843)
Type(s): SYNTYPE SMF_3615, Zayleyman, Ob. Birma.

Unio houngdaranicus Simpson, 1900
‘Tapparone Canefri’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 844.
Preston, 1912. Rec. Ind. Mus. 7: 301.
Simpson, 1914. Descr. Cat. Naiades: 1116.
Preston, 1915. Fauna Brit. India: 167.
Prashad, 1922. Rec. Ind. Mus. 24: 101.
Subba Rao, 1989. Freshw. Moll. India: 183.
Graf & Cummings, 2007. J. Moll. Studies 73: 311.
Bogan, 2010. FADA: [25].
(error for Unio houngdarauicus Tapparone Canefri, 1889)

Unio phayresi Simpson, 1900
‘Theobald’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 842.
Simpson, 1914. Descr. Cat. Naiades: 1107.
Preston, 1915. Fauna Brit. India: 155.
(intro'd as syn of Mya corrugata Müller, 1774)

Unio siliguriensis Preston, 1908
Preston, 1908. Rec. Ind. Mus. 2: 47.
Preston, 1912. Rec. Ind. Mus. 7: 293.
Preston, 1915. Fauna Brit. India: 148.