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
Thu 18 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini

genus Trapezidens Bolotov, Vikhrev & Konopleva in Bolotov et al., 2017: synonymy

6 Recent freshwater species (6 total species)

Synonymy

Trapezidens Bolotov et al., 2017

Bolotov, Vikhrev et Konopleva in Bolotov et al., 2017. Sci. Repts. 7: 7.
Type species: Unio exolescens Gould, 1843 (orig. desig.) = Trapezidens exolescens

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Trapezidens, since 1900.

TrapezoideusSimpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), ... Pfeiffer & Graf (2015), Kongim et al. (2015), Lopes-Lima et al. (2017), Zieritz et al. (2018), Do et al. (2018)
Lamellidens (s.s.)Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
LamellidensPrashad (1922), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007), ... Bolotov et al. (2017), Konopleva et al. (2017), Bolotov et al. (2017), Zieritz et al. (2018), Bolotov et al. (2022)
TrapezidensBolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Jeratthitikul et al. (2019), Konopleva et al. (2020), ... Bolotov et al. (2022), Konopleva et al. (2023), Bolotov et al. (2024), Dai et al. (2024), Dai et al. (2024)

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