Summary description from Wikipedia:

Potamilus fragilis in languages:

English

Cottonmouth Mussel

English

Fragile Papershell

English

Tombigbee Moccasinshell

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Parent Taxon

• Potamilus

Sibling Taxa

• Potamilus alatus
• Potamilus amphichaenus
• Potamilus capax
• Potamilus fragilis
• Potamilus inflatus
• Potamilus leptodon
• Potamilus metnecktayi
• Potamilus ohiensis
• Potamilus purpuratus
• Potamilus rovirosai
• Potamilus streckersoni

Top Observation Places

• Hamilton
• North Bay