MUSSELpdb

Taxonomy

all genera

Summary

Species & Genus Richness of
freshwater mussels
by Taxonomy

Species & Genus Richness of
freshwater bivalves
by Family

Geography

Species Richness & Endemism of
freshwater mussels
by Geography

Data last updated
Mon 2 March 2026

nominal species Unio foliaceus Gould, 1843

Unio foliaceus Gould, 1843 = Trapezoideus foliaceus

Gould, 1843. Proc. Boston Soc. Nat. Hist. 1: 141.
Type(s): LECTOTYPE USNM_84161, Tavoy, Burmah.

Taxonomic Opinions

= Trapezoideus foliaceus (Gould, 1843) — Campbell & Lydeard, 2026: 290.

= Trapezoideus foliaceus (Gould, 1843) — Wu et al., 2024: 4, Table 1.

= Trapezoideus foliaceus (Gould, 1843) — Liu et al., 2024: Table 2.

= Trapezoideus foliaceus — Zieritz et al., 2024: Table S1.

= Trapezoideus foliaceus — Wu et al., 2024: Table S2.

= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2024: Table S1.

= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2023: Table S2.

= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2022: Table S1.

= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2022: Table S1.

= Trapezoideus foliaceus (Gould, 1843) — Pfeiffer et al., 2021: 429, fig. 1, 9, 10, 20, 22.

= Trapezoideus foliaceus (Gould, 1843) — Graf & Cummings, 2021: 25.

= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2021: 130.

= Trapezoideus foliaceus — Zieritz et al., 2021: 3176.

= Trapezoideus foliaceus (Gould, 1843) — Jeratthitikul et al., 2021: 125.

= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2020: 6, Tables 3, S1.

= Trapezoideus foliaceus — Zieritz et al., 2020: 2243.

= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2019: 4, figs. 2a-b, table S2.

= Trapezoideus foliaceus (Gould, 1843) — Pfeiffer et al., 2019: 116.

= Trapezoideus foliaceus (Gould, 1843) — Konopleva et al., 2019: 30.

= Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2017: 10, Table 3.

+ Trapezoideus exolescens (Gould, 1843) — He & Zhuang, 2013: 121.

+ Trapezoideus exolescens (Gould, 1843) — IUCN, 2010: [web].

+ Trapezoideus exolescens (Gould, 1843) — Graf & Cummings, 2007: 312.

+ Trapezoideus exolescens exolescens (Gould, 1843) — Ramakrishna & Dey, 2007: 328.

+ Trapezoideus exolescens exolescens (Gould, 1843) — Subba Rao, 1989: 195, figs. 432-433, 552-553.

+ Trapezoideus exolescens exolescens (Gould, 1843) — Brandt, 1974: 299.

= Trapezoideus foliaceus (Gould, 1843) — Haas, 1969: 75.

= Trapezoideus foliaceus (Gould, 1843) — Haas, 1969: N435, fig. D32:9.

= Trapezoideus foliaceus (Gould) — Thiele, 1934: 820, [1251].

= Trapezoideus foliaceus (Gould) — Srinivasa Rao, 1928: 464.

= Trapezoideus foliaceus (Gould, 1843) — Prashad, 1922: 109.

= Trapezoideus foliaceus (Gould, 1843) — Haas, 1919: 261, pl. 32, fig. 3-4.

= Trapezoideus foliaceus (Gould, 1843) — Preston, 1915: 193.

= Trapezoideus foliaceus (Gould, 1843) — Simpson, 1914: 1181.

= Trapezoideus foliaceus (Gould) — Preston, 1912: 307.

= Trapezoideus foliaceus (Gould, 1843) — Simpson, 1900: 858.

= Unio foliaceus A. Gould — Martens, 1899: 42.

= Unio foliaceus Gould — Tapparone Canefri, 1889: 345.

+ Unio fragilis n. sp. — Nevill, 1877: 39.

= Unio foliaceus Gould — Hanley & Theobald, 1872: 19, pl. 42, fig. 3.

= Margaron (Unio) foliaceus (Gould) — Lea, 1870: 62.

= Unio (Naidea) foliaceus Gould — Adams & Adams, 1857: 492.