MUSSELpdb
Taxonomy
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 Trapezoideus exolescens ‘Gould’ of Authors
Trapezoideus exolescens ‘Gould’ of Authors = nomen dubium
‘Gould’ of Authors.
Brandt, 1974. Arch. Moll. 105: 299.
Pfeiffer & Graf, 2013. J. Moll. Studies 79: 251.
Pfeiffer & Graf, 2015. Zool. J. Linn. Soc. 175(2): [4].
Lopes-Lima et al., 2017. MPE 106: 177.
(misidentified reference to Unio exolescens Gould, 1843)
Taxonomic Opinions
+ undescribed Contradentini sp. — Pfeiffer et al., 2021: 459.
+ Physunio sp. ‘Trapezoideus’ — Bolotov et al., 2020: Table S1.
+ Physunio sp. ‘Trapezoideus’ — Huang et al., 2019: Table S4.
+ Physunio sp. ‘Trapezoideus’ — Konopleva et al., 2019: Table S1.
+ Physunio sp. ‘Trapezoideus’ — Konopleva et al., 2019: Appendix 1.
+ Physunio sp. ‘Trapezoideus’ — Bolotov et al., 2018: Table S1.
= Trapezoideus exolescens sensu Brandt (1974) — Konopleva et al., 2017: 208.
+ Trapezoideus foliaceus (Gould, 1843) — Bolotov et al., 2017: ??.
+ Trapezoideus sp. 1 — Bolotov et al., 2017: [9], Table S1.
+ Physunio sp. ‘Trapezoideus’ — Bolotov et al., 2017: Table S1.
