MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini

genus Trapezoideus Simpson, 1900: species

1 available nominal genus synonym (2 total synonyms) | cladomics

Included Species

Trapezoideus foliaceus (Gould, 1843)

syonymy (1 available, 1 total) | specimens (46 + 46 Genbank vouchers)

Range: Dawei River, Myanmar and Mae Klong, Thailand. (East Asia)

Genbank sequences: 16S, 18S, 28S, COI, ND1, SRA
other links: MolluscaBase

Trapezoideus lenya Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova, Tomilova, Tanmuangpak, Tumpeesuwan & Kondakov, 2020

syonymy (1 available, 1 total) | specimens (0 + 3 Genbank vouchers)

Range: Lenya River, Myanmar. (East Asia)

Genbank sequences: 16S, 28S, COI
other links: MolluscaBase

Trapezoideus mitanensis Bolotov, Konopleva, Than Win, Kondakov & Vikhrev in Bolotov et al., 2022

syonymy (1 available, 2 total) | specimens (0 + 5 Genbank vouchers)

Range: Endemic to the Haungthayaw River in the Salween Basin, Myanmar. (East Asia)

Genbank sequences: 16S, 28S, COI
other links: MolluscaBase

Decorative image of a representative of Trapezoideus subviridis

Trapezoideus subviridis Pfeiffer, Graf, Cummings & Page, 2021

syonymy (1 available, 1 total) | specimens (6 + 3 Genbank vouchers)

Range: Thailand. (East Asia)

Genbank sequences: COI, SRA
other links: MolluscaBase

Trapezoideus thachiadensis Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023

syonymy (1 available, 1 total) | specimens (0 + 1 Genbank voucher)

Range: Songkhla Lake, Thailand. (East Asia)

Genbank sequences: 16S, 28S, COI
other links: MolluscaBase

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."