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Widespread
- Genus Anodonta
- Genus Potomida
- Genus Unio
Africa
- Genus Brazzaea
- Genus Coelatura
- Genus Germainaia
- Genus Grandidieria
- Genus Mweruella
- Genus Nitia
- Genus Nyassunio
- Genus Prisodontopsis
- Genus Pseudospatha
Central America and Mexico
- Genus Arotonaias
- Genus Barynaias
- Genus Cyrtonaias
- Genus Delphinonaias
- Genus Disconaias
- Genus Friersonia
- Genus Martensnaias
- Genus Micronaias
- Genus Nephritica
- Genus Nephronaias
- Genus Pachynaias
- Genus Popenaias
- Genus Psoronaias
- Genus Psorula
- Genus Reticulatus
- Genus Sphenonaias
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Eastern Asia
- Genus Aculamprotula
- Genus Acuticosta
- Genus Anemina
- Genus Arconaia
- Genus Caudiculatus
- Genus Chamberlainia
- Genus Contradens
- Genus Cristaria
- Genus Ctenodesma
- Genus Cuneopsis
- Genus Discomya
- Genus Elongaria
- Genus Ensidens
- Genus Harmandia
- Genus Hyriopsis
- Genus Inversidens
- Genus Inversiunio
- Genus Lamprotula
- Genus Lanceolaria
- Genus Lepidodesma
- Genus Modellnaia
- Genus Nodularia
- Genus Oxynaia
- Genus Physunio
- Genus Pilsbryoconcha
- Genus Pressidens
- Genus Prohyriopsis
- Genus Pronodularia
- Genus Protunio
- Genus Pseudobaphia
- Genus Pseudodon
- Genus Ptychorhynchus
- Genus Rectidens
- Genus Rhombuniopsis
- Genus Scabies
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- Genus Schepmania
- Genus Schistodesmus
- Genus Simpsonella
- Genus Sinanodonta
- Genus Solenaia
- Genus Unionetta
Europe
- Genus Microcondylaea
- Genus Pseudanodonta
India
- Genus Arcidopsis
- Genus Lamellidens
- Genus Parreysia
- Genus Radiatula
- Genus Trapezoideus
Middle East
- Genus Leguminaia
- Genus Pseudodontopsis
New Guinea
North America
- Genus Actinonaias
- Genus Alasmidonta
- Genus Amblema
- Genus Anodontoides
- Genus Arcidens
- Genus Cyclonaias
- Genus Cyprogenia
- Genus Dromus
- Genus Ellipsaria
- Genus Elliptio
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- Genus Congaraea
- Genus Elliptoideus
- Genus Epioblasma
- Genus Fusconaia
- Genus Glebula
- Genus Gonidea
- Genus Hamiota
- Genus Hemistena
- Genus Lampsilis
- Genus Lasmigona
- Genus Lemiox
- Genus Leptodea
- Genus Lexingtonia
- Genus Ligumia
- Genus Medionidus
- Genus Megalonaias
- Genus Obliquaria
- Genus Obovaria
- Genus Pegias
- Genus Plectomerus
- Genus Plethobasus
- Genus Pleurobema
- Genus Pleuronaia
- Genus Potamilus
- Genus Ptychobranchus
- Genus Pyganodon
- Genus Quadrula
- Genus Quincuncina
- Genus Simpsonaias
- Genus Strophitus
- Genus Toxolasma
- Genus Truncilla
- Genus Uniomerus
- Genus Utterbackia
- Genus Venustaconcha
- Genus Villosa
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