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 Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini | Trapezoideus foliaceus nominal species Unio foliaceus Gould, 1843
 
      Gould, 1843, Proc. Boston Soc. Nat. Hist. 1: 141.
    Type(s): LECTOTYPE USNM_84161, Tavoy, Burmah.
 
= Trapezoideus foliaceus Taxonomic Opinions
	= Trapezoideus foliaceus (Gould, 1843) — Wu et al., 2024 
	= Trapezoideus foliaceus (Gould, 1843) — Liu et al., 2024 
	= Trapezoideus foliaceus  — Zieritz et al., 2024 
	= Trapezoideus foliaceus  — Wu et al., 2024 
	= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2024 
	= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2023 
	= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2022 
	= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2022 
	= Trapezoideus foliaceus (Gould, 1843) — Pfeiffer et al., 2021 
	= Trapezoideus foliaceus (Gould, 1843) — Graf & Cummings, 2021 
	= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2021 
	= Trapezoideus foliaceus  — Zieritz et al., 2021 
	= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2021 
	= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2020 
	= Trapezoideus foliaceus  — Zieritz et al., 2020 
	= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2019 
	= Trapezoideus foliaceus (Gould, 1843) — Pfeiffer et al., 2019 
	= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2019 
	= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2017 
	+ Trapezoideus exolescens (Gould, 1843) — He & Zhuang, 2013 
	+ Trapezoideus exolescens (Gould, 1843) — IUCN, 2010 
	+ Trapezoideus exolescens (Gould, 1843) — Graf & Cummings, 2007 
	+ Trapezoideus exolescens exolescens (Gould, 1843) — Ramakrishna & Dey, 2007 
	+ Trapezoideus exolescens exolescens (Gould, 1843) — Subba Rao, 1989 
	+ Trapezoideus exolescens exolescens (Gould, 1843) — Brandt, 1974 
	= Trapezoideus foliaceus (Gould, 1843) — Haas, 1969 
	= Trapezoideus foliaceus (Gould, 1843) — Haas, 1969 
	= Trapezoideus foliaceus (Gould) — Thiele, 1934 
	= Trapezoideus foliaceus (Gould) — Srinivasa Rao, 1928 
	= Trapezoideus foliaceus (Gould, 1843) — Prashad, 1922 
	= Trapezoideus foliaceus (Gould, 1843) — Haas, 1919 
	= Trapezoideus foliaceus (Gould, 1843) — Preston, 1915 
	= Trapezoideus foliaceus (Gould, 1843) — Simpson, 1914 
	= Trapezoideus foliaceus (Gould) — Preston, 1912 
	= Trapezoideus foliaceus (Gould, 1843) — Simpson, 1900 
	= Unio foliaceus A. Gould — Martens, 1899 
	= Unio foliaceus Gould — Tapparone Canefri, 1889 
	+ Unio fragilis n. sp. — Nevill, 1877 
	= Unio foliaceus Gould — Hanley & Theobald, 1872 
	= Margaron (Unio) foliaceus (Gould) — Lea, 1870 
	= Unio (Naidea) foliaceus Gould — Adams & Adams, 1857 
	= Margaron (Unio) foliaceus (Gould) — Lea, 1852 
 
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