Summary description from Wikipedia:

Unionidae in languages:

Chinese

蚌科

Croatian

Lisanke

Czech

velevrubovití

Danish

Maler- & dammuslinger

Dutch

Zoetwatermossels

English

River Mussels

English

Toothed River Mussels

Estonian

Jõekarplased

Finnish

jokisimpukat

German

Fluss- & Teichmuscheln

German

Fluß- & Teichmuscheln

Hungarian

Folyamikagyló-félék

Japanese

イシガイ科

Korean

말조개과

Korean

석패과

Korean

방합과

Latvian

Dižgliemeņu dzimta

Lithuanian

Geldutiniai

Russian

Униониды

Russian

Перловицы

Swedish

målarmusslor

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Parent Taxon

• Unionida

Sibling Taxa

• Hyriidae
• Margaritiferidae
• Unionidae

Child Taxa

• Ambleminae
• Germainaia
• Gonideinae
• Haasodonta
• Modellnaiinae
• Parreysiinae
• Unioninae

Top Observation Places

• Ottawa
• Sugar Land
• Missouri City
• Markham
• Richmond Hill
• Orlando
• Denton
• Newton
• Brookline
• Zheleznogorsk
• Cincinnati
• Trenton
• Bensalem
• Levittown
• Waukesha