Dysnomia Agassiz, 1852 accepted as Epioblasma Rafinesque, 1831 (original description)
Hemilastena Agassiz, 1852 (original description)
Legumia Agassiz, 1852 accepted as Ligumia Swainson, 1840 (original description)
Micromya Agassiz, 1852 accepted as Villosa Frierson, 1927 (original description)
Orthonymus Agassiz, 1852 accepted as Theliderma Swainson, 1840 (original description)
Platygnathus Hartlaub, 1852 (original description)
Pneumobranchus Lütken, 1852 accepted as Monopterus Lacepède, 1800 (original description)