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Page last updated
Thu 3 September 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Bivalvia | Unionoida | Etherioidea | Iridinidae | Aspathariinae | Chambardia

species Chambardia trapezia (Martens, 1897): synonymy
     45 specimens

Spatha trapezia Martens, 1897
Martens, 1897. Besch. Weich. Deutsch Ost Afr. 4: 243, text fig.
Type(s): FIGURED SYNTYPE ZMB_108816, Bare, Buddu.

Spatha (s.s.) trapeziaSimpson (1900), Kobelt (1910), Simpson (1914)
Aspatharia (Spathopsis) trapeziaPilsbry & Bequaert (1927)
Aspatharia (Spathopsis) rubensHaas (1969)
Spathopsis trapezia trapeziaMandahl-Barth (1988)
Chambardia trapezia trapeziaDaget (1998)
Chambardia trapeziaGraf & Cummings (2007), Graf & Cummings (2007), Van Damme & Van Bocxlaer (2009), IUCN (2010), Bogan (2010), Van Damme & Pickford (2010), Graf & Cummings (2011), Graf & Cummings (2021)

Spatha trapezia var. senilis Martens, 1897
Martens, 1897. Besch. Weich. Deutsch Ost Afr. 4: 244, text fig.
(intro'd as intra-sp. of Spatha trapezia Martens, 1897)
Type(s): SYNTYPES ZMB_108817, Towalio, Buddu, Soweh, Uganda.

Spatha (s.s.) trapezia var. senilisSimpson (1900), Kobelt (1910), Simpson (1914)
Aspatharia (Spathopsis) trapezia var. senilisPilsbry & Bequaert (1927)
Aspatharia (Spathopsis) rubensHaas (1969)
Spathopsis trapezia trapeziaMandahl-Barth (1988)
Chambardia trapezia trapeziaDaget (1998)

Spathopsis trapezia ovoidea Mandahl-Barth, 1988
‘von Martens’ Mandahl-Barth, 1954. Ann. Mus. r. Congo belge 8° Zool. 32: 159, fig. 79 [as ‘Spatha caillaudi’].
Mandahl-Barth, 1988. Studies on African Freshwater Bivalves: 76, fig. 49.
(intro'd as intra-sp. of Spatha trapezia Martens, 1897)

Spathopsis trapezia ovoideaMandahl-Barth (1988)
Chambardia trapezia ovoideaDaget (1998), Graf & Cummings (2007)

Aspatharia subaequilatera Mandahl-Barth, 1954
‘von Martens’ Mandahl-Barth, 1954. Ann. Mus. r. Congo belge 8° Zool. 32: 153, fig. 82.
(misidentified reference to Spatha subaequilatera Martens, 1887)

Spathopsis trapezia trapeziaMandahl-Barth (1988)
Chambardia trapezia trapeziaDaget (1998)

Spatha caillaudi Mandahl-Barth, 1954
‘von Martens’ Mandahl-Barth, 1954. Ann. Mus. r. Congo belge 8° Zool. 32: 159, fig. 79.
(misidentified reference to Spatha caillaudi Martens, 1866)

Spathopsis trapezia ovoideaMandahl-Barth (1988)
Chambardia trapezia ovoideaDaget (1998)

Taxonomic History (since 1900)

Spatha (s.s.) trapeziaSimpson (1900), Kobelt (1910), Simpson (1914)
Spatha (s.s.) trapezia var. senilisSimpson (1900), Kobelt (1910), Simpson (1914)
Aspatharia (Spathopsis) trapeziaPilsbry & Bequaert (1927)
Aspatharia (Spathopsis) trapezia var. senilisPilsbry & Bequaert (1927)
Aspatharia (Spathopsis) rubensHaas (1969)
Spathopsis trapezia trapeziaMandahl-Barth (1988)
Spathopsis trapezia ovoideaMandahl-Barth (1988)
Chambardia trapezia trapeziaDaget (1998)
Chambardia trapezia ovoideaDaget (1998), Graf & Cummings (2007)
Chambardia trapeziaGraf & Cummings (2007), Graf & Cummings (2007), Van Damme & Van Bocxlaer (2009), IUCN (2010), Bogan (2010), Van Damme & Pickford (2010), Graf & Cummings (2011), Graf & Cummings (2021)

 
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