Obovaria subrotunda (Round Hickorynut) is a species of bivalves in the family unionid freshwater mussels. They are listed as endangered by IUCN and as endangered by COSEWIC. They are associated with freshwater habitat. They are native to The Nearctic. They are detritivores. Individuals can grow to 30 mm. They have sexual reproduction. They have parental care (female provides care).
EOL has data for 26 attributes, including: