Simpson, 1900 – North America
Medionidus acutissimus (Lea, 1831)
INHS 20401. Black Warrior River, Jefferson County, Alabama.
Type Species: Unio conradicus Lea, 1834
Illinois Natural History Survey • Prairie Research Institute
Illinois Natural History Survey • Prairie Research Institute
Medionidus acutissimus (Lea, 1831)
INHS 20401. Black Warrior River, Jefferson County, Alabama.
Type Species: Unio conradicus Lea, 1834