MUSSELp

MUSSELpdb

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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 | ... | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens angustior

nominal species Trapezidens obesa feae Kondakov, Konopleva et Vikhrev in Bolotov et al., 2017

Trapezidens obesa feae Kondakov, Konopleva et Vikhrev in Bolotov et al., 2017 = Trapezidens angustior

Kondakov, Konopleva et Vikhrev in Bolotov et al., 2017. Sci. Repts. 7: 8, figs. 3d.
(intro'd as intra-sp. of Unio marginalis var. obesa Hanley & Theobald, 1872)

= Trapezidens angustior

Taxonomic Opinions

+ Trapezidens angustior (Hanley & Theobald, 1876) — Konopleva et al., 2020

= Trapezidens obesa feaHuang et al., 2019

= Trapezidens obesa feae ssp. nov. — Bolotov et al., 2017

 
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