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 | 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 | Unionoidea | Unionidae | Gonideinae | Contradentini | Yaukthwa species Yaukthwa dalliana (Frierson, 1913): synonymy6 specimens + 3 Genbank vouchers
 | Parreysia dalliana Frierson, 1913
  Frierson, 1913. Nautilus 26: 142. 
  ‘Gould’ Haas, 1919. Conch. Cab. 9 (pt. 2, h. 51): pl. 32, figs. 3-4. Type(s): LECTOTYPE SMF_13699B, Lashio Fl. Lashio nordl Shan Staaten.
 
 Parreysia (s.s.) dalliana — Preston (1915)
 Trapezoideus dallianus — Haas (1919), Prashad (1922), Srinivasa Rao (1928)
 Trapezoideus foliaceus — Haas (1969)
 Trapezoideus exolescens — He & Zhuang (2013)
 Yaukthwa cf. dalliana — Konopleva et al. (2019), Bolotov et al. (2019), Konopleva et al. (2019), Zieritz et al. (2020)
 Yaukthwa dalliana — Bolotov et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Bolotov et al. (2022)
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 | Unio foliaceus Martens, 1899‘Gould’ Martens, 1899. Arch. Naturg. 65: 42.
 
 Trapezoideus dallianus — Haas (1919), Prashad (1922)
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 | Trapezoideus foliaceus Haas, 1919‘Gould’ Haas, 1919. Conch. Cab. 9 (pt. 2, h. 51): pl. 32, figs. 3-4.
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 Taxonomic History (since 1900)Parreysia (s.s.) dalliana — Preston (1915)Trapezoideus dallianus — Haas (1919), Prashad (1922), Srinivasa Rao (1928)
 Trapezoideus foliaceus — Haas (1969)
 Trapezoideus exolescens — He & Zhuang (2013)
 Yaukthwa cf. dalliana — Konopleva et al. (2019), Bolotov et al. (2019), Konopleva et al. (2019), Zieritz et al. (2020)
 Yaukthwa dalliana — Bolotov et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Bolotov et al. (2022)
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