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Page last updated
Thu 17 July 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!


Bivalvia | ... | Unionidae | Gonideinae | Contradentini | Lens

species Lens misellus (Morelet, 1865): synonymy
     14 specimens + 8 Genbank vouchers

Unio misellus Morelet, 1865
Morelet, 1865. J. de Conch. 13: 21.
Morelet, 1875. Séries Conch. 4: 341, pl. 14, fig. 2.
Type(s): HOLOTYPE BMNH_93-2-4-1593, Siam.

Trapezoideus misellusSimpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), Annandale & Prashad (1921), Prashad (1922), Haas (1969), Dang et al. (1980), Bogan (2010), IUCN (2012), Do et al. (2018)
Trapezoideus exolescens exolescensBrandt (1974), Subba Rao (1989), Ramakrishna & Dey (2007)
Trapezoideus exolescensHe & Zhuang (2013)
Contradens misellusKonopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), Zieritz et al. (2020), Graf & Cummings (2021)
Lens misellusPfeiffer et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Zieritz et al. (2024)

Unio siamensis Lea, 1866
Lea, 1866. Proc. Acad. Nat. Sci. 18: 133.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 279 [39], pl. 38, fig. 93.
Type(s): HOLOTYPE USNM_85893, Siam.

Trapezoideus misellusSimpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), Haas (1969), IUCN (2012)
Trapezoideus exolescens exolescensBrandt (1974), Subba Rao (1989), Ramakrishna & Dey (2007)
Trapezoideus exolescensHe & Zhuang (2013)
Lens misellusPfeiffer et al. (2021)

Unio micellus Lea, 1870
‘Morelet Lea, 1870. Synopsis Fam. Naiades: 63.
(error for Unio misellus Morelet, 1865)

Taxonomic History (since 1900)

Trapezoideus misellusSimpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), Annandale & Prashad (1921), Prashad (1922), Haas (1969), Dang et al. (1980), Bogan (2010), IUCN (2012), Do et al. (2018)
Trapezoideus exolescens exolescensBrandt (1974), Subba Rao (1989), Ramakrishna & Dey (2007)
Trapezoideus exolescensHe & Zhuang (2013)
Contradens misellusKonopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), Zieritz et al. (2020), Graf & Cummings (2021)
Lens misellusPfeiffer et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Zieritz et al. (2024)

 
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