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Data last updated
Mon 1 Dec 2025

Publication Prashad (1922): summary

publication summary

Full Citation

Prashad, B. 1922. A revision of the Burmese Unionidae. Records of the Indian Museum 24: 91-111. Available electronically.

Attributed Nominal Genera

Indonaia Prashad, 1918

Prashad, 1918. Rec. Ind. Mus. 15: 146, text figs. 2-3.
Prashad, 1922. Rec. Ind. Mus. 24: 94.
Type species: Unio caeruleus Lea, 1831 (original designation) = Indonaia caerulea

Indopseudodon Prashad, 1922

Prashad, 1922. Rec. Ind. Mus. 24: 98.
Type species: Anodon salweniana Gould, 1844 (sub. desig. by Thiele, 1934: 819) = Indopseudodon salwenianus

Lammellidens Prashad, 1922

‘Simpson’ Prashad, 1922. Rec. Ind. Mus. 24: 105.
(error for Lamellidens Simpson, 1900)
Type species: Unio marginalis Lamarck, 1819 = Lamellidens marginalis

Attributed Nominal Species

Unio bonneaudii Tapparone Canefri, 1889 = Radiatula mouhoti

‘Eydoux’ of Authors.
‘Eydoux et Souleyet’ Tapparone Canefri, 1889. Ann. Mus. Storia Nat. Genova 27: 343.
Prashad, 1922. Rec. Ind. Mus. 24: 94 [as ‘Indonaia bonneaudi’].
(misidentified reference to Unio bonneaudii Eydoux, 1838)

Lamellidens canefrinus Prashad, 1922 = Trapezidens dolichorhynchus

‘Simpson’ Prashad, 1922. Rec. Ind. Mus. 24: 106.
(error for Lamellidens canefrianus Simpson, 1900)

Unio houngdaranicus Simpson, 1900 = Leoparreysia tavoyensis

‘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 sella Prashad, 1922 = Yaukthwa nesemanni

‘T. Canefri’ Prashad, 1922. Rec. Ind. Mus. 24: 93, pl. 2, figs. 1-4.
(intro'd as syn of Unio laosensis Lea, 1863)

Unio smaragdites Tapparone Canefri, 1889 = Indonaia andersoniana

‘Benson’ of Authors.
Tapparone Canefri, 1889. Ann. Mus. Storia Nat. Genova 27: 343.
Prashad, 1922. Rec. Ind. Mus. 24: 102.
(misidentified reference to Unio smaragdites Benson, 1862)

Unio marginalis var. subflabellatta Prashad, 1922 = Lamellidens savadiensis

‘Tapparone-Canefri’ Prashad, 1922. Rec. Ind. Mus. 24: 106.
(error for Unio marginalis var. subflabellata Tapparone Canefri, 1889)

Trapezoideus foliaceus var. zaleymanensis Prashad, 1922 = Yaukthwa zayleymanensis

‘Preston’ Prashad, 1922. Rec. Ind. Mus. 24: 110.
(error for Trapezoideus foliaceus var. zayleymanensis Preston, 1912)

Taxonomic Opinions

Indonaia bonneaudi (Eydoux, 1838) = Indonaia bonneaudii

Indonaia caerulea (Lea, 1831)
+ Unio leioma Benson, 1862

Indonaia caerulea (Lea, 1831) = Indonaia bonneaudii

Indonaia chaudhurii (Preston, 1912) = Radiatula chaudhurii

Indonaia crispata (Gould, 1843) = Scabies crispata

Indonaia crispisulcata (Benson, 1862) = Radiatula crispisulcata

Indonaia pachysoma (Benson, 1862) = Indonaia corbis

Indopseudodon ava (Theobald, 1873) = Indopseudodon salwenianus

Indopseudodon salwenianus (Gould, 1844)

Lamellidens corrianus (Lea, 1834)
+ Unio dolichorhynchus Tapparone Canefri, 1889
+ Unio protensus Tapparone Canefri, 1889
+ Unio protensus var. ellipticus Tapparone Canefri, 1889
+ Lamellidens canefrianus Simpson, 1900

Lamellidens corrianus (Lea, 1834) = Trapezidens dolichorhynchus

Lamellidens generosus (Gould, 1847)
+ Unio generosus var. angustior Hanley & Theobald, 1872
+ Unio marginalis var. zonata Tapparone Canefri, 1889
+ Unio pulcher Tapparone Canefri, 1889
+ Unio pulcher var. lamellatiformis Tapparone Canefri, 1889
+ Unio generosus var. delapsus Tapparone Canefri, 1889
+ Lamellidens marginalis var. sawaddyensis Preston, 1912
+ Lamellidens burmanus Simpson, 1914
+ Unio tricolor Küster, 1856

Lamellidens generosus (Gould, 1847) = Trapezidens angustior

Lamellidens generosus (Gould, 1847) = Lamellidens savadiensis

Lamellidens jenkinsianus obesa (Hanley & Theobald, 1876) = Trapezidens dolichorhynchus

Lamellidens lamellatus (Lea, 1838)
+ Unio pulcher var. ponderosulus Tapparone Canefri, 1889

Lamellidens lamellatus (Lea, 1838) = Lamellidens generosus

Lamellidens marginalis (Lamarck, 1819)
+ Unio marginalis var. subflabellata Tapparone Canefri, 1889
+ Unio marginalis var. cylindrica Tapparone Canefri, 1889
+ Unio marginalis var. obesa Tapparone Canefri, 1889
+ Unio protensus var. obtusatus Tapparone Canefri, 1889

Lamellidens marginalis (Lamarck, 1819) = Lamellidens generosus

Lamellidens marginalis (Lamarck, 1819) = Lamellidens savadiensis

Lamellidens scutum (Sowerby, 1868) = Trapezidens scutum
+ Unio gianellii Tapparone Canefri, 1889
+ Unio gianelli var. degener Tapparone Canefri, 1889
+ Unio scutum var. humilior Martens, 1899
+ Lamellidens marginalis var. sublamellatus Preston, 1912
+ Unio marginalis var. zonata Hanley & Theobald, 1872

Lamellidens scutum (Sowerby, 1868) = Trapezidens dolichorhynchus

Lamellidens scutum (Sowerby, 1868) = Trapezidens angustior

Margaritanopsis laosensis (Lea, 1863) = Gibbosula laosensis
+ Unio sella Prashad, 1922

Margaritanopsis laosensis (Lea, 1863) = Yaukthwa nesemanni

Margaritanopsis rectangularis (Tapparone Canefri, 1889) = Yaukthwa rectangularis

Oxynaia pugio (Benson, 1862) = Indochinella pugio

Parreysia bhamoensis (Theobald, 1874) = Leoparreysia tavoyensis

Parreysia burmanus (Blanford, 1869) = Leoparreysia burmana
+ Unio vulcanus Hanley, 1876
+ Parreysia (s.s.) pernodulosa Preston, 1912

Parreysia burmanus (Blanford, 1869) = Leoparreysia vulcanus

Parreysia feae (Tapparone Canefri, 1889) = Leoparreysia tavoyensis

Parreysia feddeni (Theobald, 1874) = Parreysia corrugata

Parreysia houngdaranicus [sic] (Tapparone Canefri, 1889) = Leoparreysia tavoyensis

Parreysia mandelayensis (Theobald, 1874) = Leoparreysia tavoyensis

Parreysia smaragdites (Benson, 1862) = Indonaia andersoniana
+ Unio andersoniana Nevill, 1877

Parreysia smaragdites (Benson, 1862)

Parreysia tavoyensis (Gould, 1843) = Leoparreysia tavoyensis
+ Unio savoyensis Paetel, 1890
+ Unio parma Sowerby, 1868

Physunio ferrugineus Annandale, 1918 = Lamellidens ferrugineus

Physunio micropteroides Annandale, 1918 = Lamellidens ferrugineus

Pseudodon vondembuschiana var. inoscularis (Gould, 1844) = Pseudodon inoscularis

Trapezoideus dallianus (Frierson, 1913) = Yaukthwa dalliana
+ Unio foliaceus Martens, 1899

Trapezoideus exolescens (Gould, 1843) = Trapezidens exolescens
+ Unio fragilis Nevill, 1877

Trapezoideus foliaceus (Gould, 1843)
+ Unio peguensis Anthony, 1865

Trapezoideus foliaceus (Gould, 1843) = Yaukthwa peguensis

Trapezoideus misellus (Morelet, 1865) = Lens misellus
+ Unio comptus Deshayes & Jullien, 1876
+ Trapezoideus foliaceus var. zayleymanensis Preston, 1912

Trapezoideus misellus (Morelet, 1865) = Lens comptus

Trapezoideus misellus (Morelet, 1865) = Yaukthwa zayleymanensis

Trapezoideus subclathratus (von Martens, 1899) = Indonaia subclathrata

Trigonodon peguensis (Anthony, J.G., 1865) = Indopseudodon salwenianus

Trigonodon peguensis var. crebristriata (Anthony, J.G., 1865) = Indopseudodon crebristriatus

Trigonodon peguensis var. curvata (Preston, 1912) = Indopseudodon crebristriatus

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