Alasmidonta costata Rafinesque, 1820 accepted as Lasmigona costata (Rafinesque, 1820) (original description)
Alasmidontinae Rafinesque, 1820 accepted as Anodontini Rafinesque, 1820 (original description)
Amblema Rafinesque, 1820 (original description)
Amblema costata Rafinesque, 1820 accepted as Amblema plicata (Say, 1817) (original description)
Amblema olivaria Rafinesque, 1820 accepted as Obovaria olivaria (Rafinesque, 1820) (original description)
Amblema torulosa Rafinesque, 1820 accepted as Epioblasma torulosa (Rafinesque, 1820) (original description)
Ambleminae Rafinesque, 1820 (original description)
Amesoda Rafinesque, 1820 accepted as Sphaerium (Amesoda) Rafinesque, 1820 represented as Sphaerium Scopoli, 1777 (original description)
Anodonta (Hemistena) Rafinesque, 1820 accepted as Hemistena Rafinesque, 1820 (original description)
Anodonta (Hemistena) lata Rafinesque, 1820 accepted as Hemistena lata (Rafinesque, 1820) (original description)
Anodonta (Strophitus) Rafinesque, 1820 accepted as Strophitus Rafinesque, 1820 (original description)
Anodontinae Rafinesque, 1820 accepted as Anodontini Rafinesque, 1820 (original description)
Cyclas (Amesoda) lasmampsis Rafinesque, 1820 accepted as Sphaerium simile (Say, 1817) (original description)
Cyclas (Corbicula) Megerle von Mühlfeld, 1811 accepted as Corbicula Megerle von Mühlfeld, 1811 (basis of record)
Cyclas (Phymesoda) Rafinesque, 1820 accepted as Musculium Link, 1807 accepted as Sphaerium (Musculium) Link, 1807 represented as Sphaerium Scopoli, 1777 (original description)
Cyclas (Phymesoda) equalis Rafinesque, 1820 accepted as Pisidium dubium (Say, 1817) (original description)
Cyclas hammalis Rafinesque, 1820 (original description)
Lampsilis Rafinesque, 1820 (original description)
Lampsilis cardium Rafinesque, 1820 (original description)
Lampsilis fasciola Rafinesque, 1820 (original description)
Metaptera Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818 (original description)
Mytilus recurvus Rafinesque, 1820 accepted as Ischadium recurvum (Rafinesque, 1820) (original description)
Obliquaria Rafinesque, 1820 (original description)
Obliquaria (Ellipsaria) Rafinesque, 1820 accepted as Ellipsaria Rafinesque, 1820 (original description)
Obliquaria (Ellipsaria) fasciolaris Rafinesque, 1820 accepted as Ptychobranchus fasciolaris (Rafinesque, 1820) (original description)
Obliquaria (Ellipsaria) verrucosa Rafinesque, 1820 accepted as Tritogonia verrucosa (Rafinesque, 1820) (original description)
Obliquaria (Plagiola) lineolata Rafinesque, 1820 accepted as Ellipsaria lineolata (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) Rafinesque, 1820 accepted as Quadrula Rafinesque, 1820 (original description)
Obliquaria (Quadrula) cyphya Rafinesque, 1820 accepted as Plethobasus cyphyus (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) flava Rafinesque, 1820 accepted as Fusconaia flava (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) flexuosa Rafinesque, 1820 accepted as Epioblasma flexuosa (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) metanevra Rafinesque, 1820 accepted as Theliderma metanevra (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) nodulata Rafinesque, 1820 accepted as Rotundaria nodulata (Rafinesque, 1820) accepted as Cyclonaias nodulata (Rafinesque, 1820) accepted as Pustulosa nodulata (Rafinesque, 1820) (original description)
Obliquaria (Quadrula) quadrula Rafinesque, 1820 accepted as Quadrula quadrula (Rafinesque, 1820) (original description)
Obliquaria (Rotundaria) subrotunda Rafinesque, 1820 accepted as Obovaria subrotunda Rafinesque, 1820 (original description)
Obliquaria (Rotundaria) tuberculata Rafinesque, 1820 accepted as Cyclonaias tuberculata (Rafinesque, 1820) (original description)
Obliquaria (Scalenaria) obliquata Rafinesque, 1820 accepted as Epioblasma obliquata (Rafinesque, 1820) (original description)
Obliquaria (Sintoxia) sintoxia Rafinesque, 1820 accepted as Pleurobema sintoxia (Rafinesque, 1820) (original description)
Obliquaria reflexa Rafinesque, 1820 (original description)
Obliquaria rubra Rafinesque, 1820 accepted as Pleurobema rubrum (Rafinesque, 1820) accepted as Pleurobema sintoxia (Rafinesque, 1820) (original description)
Obovaria cordata Rafinesque, 1820 accepted as Pleurobema cordatum (Rafinesque, 1820) (original description)
Obovaria stegaria Rafinesque, 1820 accepted as Cyprogenia stegaria (Rafinesque, 1820) (original description)
Obovaria striata Rafinesque, 1820 accepted as Obovaria subrotunda Rafinesque, 1820 (original description)
Obovaria torsa Rafinesque, 1820 accepted as Obovaria retusa (Lamarck, 1819) (original description)
Pleurobema mytiloides Rafinesque, 1820 accepted as Pleurobema clava (Lamarck, 1819) (original description)
Polymesoda Rafinesque, 1820 (original description)
Potamilus ohiensis (Rafinesque, 1820) (original description)
Sphaerium (Amesoda) Rafinesque, 1820 represented as Sphaerium Scopoli, 1777 (original description)
Truncilla triqueter Rafinesque, 1820 accepted as Epioblasma triquetra (Rafinesque, 1820) (original description)
Truncilla truncata Rafinesque, 1820 (original description)
Unio (Elliptio) nigra Rafinesque, 1820 accepted as Elliptio crassidens (Lamarck, 1819) (original description)
Unio (Elliptio) viridis Rafinesque, 1820 accepted as Alasmidonta viridis (Rafinesque, 1820) (original description)
Unio (Eurynia) dilatata Rafinesque, 1820 accepted as Eurynia dilatata (Rafinesque, 1820) (original description)
Unio (Eurynia) teres Rafinesque, 1820 accepted as Lampsilis teres (Rafinesque, 1820) (original description)
Unio (Leptodea) Rafinesque, 1820 accepted as Leptodea Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818 (original description)
Unio (Leptodea) fragilis Rafinesque, 1820 accepted as Potamilus fragilis (Rafinesque, 1820) (original description)
Unio (Leptodea) leptodon Rafinesque, 1820 accepted as Potamilus leptodon (Rafinesque, 1820) (original description)
Unio (Leptodea) nervosa Rafinesque, 1820 accepted as Megalonaias nervosa (Rafinesque, 1820) (original description)
Unioninae Rafinesque, 1820 (original description)

Ohio for Amblema costata Rafinesque, 1820 
Ohio for Truncilla truncata Rafinesque, 1820