Actinonaias didymictidis (Cockerell, 1915)
Actinonaias mendax (White, 1877)
+ Unio vetustus White, 1877
Actinonaias shoshonensis (White, 1876)
Amblema baueri (Stanton, 1916)
Amblema cretacollis (Maury, 1902)
Amblema goniambonatus (White, 1878)
Amblema gonionotus (White, 1876)
Amblema nebrascensis (Meek & Hayden, 1870)
Amblema porcata (MacNeil, 1935)
Amblema reesidei (Stanton, 1916)
Amblema rugicosta (MacNeil, 1935)
Amblema trigoniaformis (Maury, 1902)
Amnigenia catskillensis (Vanuxem, 1842)
+ Cypricardites angustatus Lesley, 1889
Anodontites argillensis (Russell, 1932)
Antediplodon borealis (Pilsbry, 1921)
Antediplodon carolus-simpsoni (Pilsbry, 1921)
Antediplodon dockumensis (Simpson, 1896)
Antediplodon dumblei (Simpson, 1896)
Antediplodon gregoryi (Reeside, 1927)
Antediplodon pennsylvanicus (Pilsbry, 1921)
Antediplodon wanneri (Pilsbry, 1921)
Antediplodon yorkensis (Pilsbry, 1921)
Arkansia macneili n. sp.
Callonaia subtrigonalis (Whitfield, 1907)
Costanaia arciformis MacNeil, 1935
Cumberlandia geyeri (Modell)
Cyclomya subplanata (Simpson, 1896)
Cyclonaias letsoni (Whitfield, 1907)
Cyclonaias verrucosiformis (Whitfield, 1903)
Dysnomia (Penita) macropisthus (White, 1886)
Dysnomia (Penita) tyrelli [sic] (Russell, 1931)
Dysnomia (Pilea) proavita (White, 1877)
Elliptio albertensis (Whiteaves, 1885)
Elliptio clinopisthus (White, 1883)
Elliptio cornelliana Maury, 1902
Elliptio eomargaron (Cockerell, 1915)
Elliptio haydeni (Meek, 1860)
Elliptio hubbardii (Gabb, 1869)
Elliptio nanaimonensis [sic] (Whiteaves, 1901)
Elliptio salissiensis Russell, 1952
Elliptio washakiensis (Meek, 1870)
Eonaias reynosenica Marshall, 1929
Eurynia felchi (White, 1886)
Eurynia silberlingi (Russell, 1934)
Eurynia supragibbosa (Whiteaves, 1885)
Fusconaia brachyopisthus (White, 1876)
Fusconaia cryptorhynchus (White, 1877)
Fusconaia danai (Meek & Hayden, 1857)
+ Unio deweyanus Meek & Hayden, 1857
+ Unio danae Meek & Hayden, 1860
Fusconaia dawsoni (Russell, 1931)
Fusconaia tuchiasana (Russell, 1932)
Glebula nucalis (Meek & Hayden, 1958) [sic]
Gonidea coalingensis Arnold, 1909
+ Margaritana subangulata Cooper, 1894
+ Gonidea coalingensis cooperi Arnold, 1909
Gonidea hemphilli Hannibal, 1912
Lampsilis brimhallensis (Stanton, 1916)
Lampsilis chadronensis Mansfield, 1933
Lampsilis dalyi Russell, 1952
Lampsilis grangeri (Cockerell, 1935)
Lampsilis marshalli MacNeil, 1935
Lampsilis sandersoni (Warren, 1926)
Lampsilis sandrius (Dall, 1913)
Lampsilis toxonotus (White, 1886)
Lemiox minimus (Warren, 1926)
Leptodea wasatchensis (Cockerell, 1914)
Lexingtonia postbiplicata (Whitfield, 1903)
Ligumia barbouri (White, 1895)
Ligumia bowlingi (MacNeil, 1935)
Ligumia consueta (Whiteaves, 1885)
Ligumia couesi (White, 1877)
+ Unio petrinus White, 1876
Ligumia farri (Stanton, 1903)
Ligumia spinnhirni Modell, 1950
Ligumia stantoni (White, 1895)
+ Unio gibbosoides Whitfield, 1907
Ligumia tellinoides (Hall, 1845)
Ligumia vetusta (Meek, 1860)
Ligumia whitei (Henderson, 1918)
+ Unio rectoides White, 1886
Margaritifera condoni (White, 1885)
Margaritifera endlichi (White, 1877)
Margaritifera herrei Hannibal, 1912
Margaritifera sinopae (Cockerell, 1915)
Medionidus lapilloides (White, 1886)
Murraia naiadiformis Russell, 1932
Mycetopoda diliculi [sic] Pilsbry, 1921
Mycetopoda parallela (White, 1878)
Nasus nankingensis (Heude)
Obliquata dowlingi (McLearn, 1919)
Obliquata humei (Dyer, 1930)
Obliquata prophetica (White, 1876)
Obliquata stewardi (White, 1876)
Obovaria corbiculoides (Whitfield, 1907)
Orthonymus cylindricoides (Whitfield, 1907)
Orthonymus holmesianus (White, 1878)
Orthonymus primaevus (White, 1877)
Orthonymus subprimaevus (Dyer, 1930)
Plesielliptio abbreviatus (Stanton & Hatcher, 1915)
Plesielliptio priscus (Meek & Hayden, 1856)
Plethobasus aesopiformis (Whitfield, 1903)
Plethobasus biesopoides (Whitfield, 1907)
Pleurobema alixus Dall, 1913
Pleuronaia neomexicana (Stanton, 1916)
Pliconaias popenoi [sic] Marshall, 1929
Proparreysia browni (Whitfield, 1903)
Proparreysia percorrugata (Whitfield, 1903)
Proparreysia retusoides (Whitfield, 1903)
Proparreysia retusoides pyramidatoides (Whitfield, 1907)
Proparreysia retusoides pyramidellus (Whitfield, 1907)
Protamblema belliplicata (Meek, 1871)
Protamblema belliplicata macneili n. subsp.
+ Loxopleurus belliplicatus MacNeil, 1935
Protelliptio biornatus (Russell, 1932)
Protelliptio douglassi (Stanton, 1903)
Protelliptio hamili eurekensis McNeil, 1939
Protelliptio hamili hamili (McLearn, 1929)
Ptychobranchus langeckeri Modell, 1950
Ptychobranchus subspatulatus (Meek & Hayden, 1857)
Pustulosa gardneri (Stanton, 1916)
Quadrula haroldi (Reeside, 1927)
Quadrula mclearni (Dyer, 1930)
Quincuncina amarillensis (Stanton, 1916)
Rhabdotophorus aldrichi (White, 1878)
Rhabdotophorus declivis (Russell, 1934)
Rhabdotophorus gracilis Russell, 1935
Rhabdotophorus senectus (White, 1877)
Strophitus johnseni (Russell, 1935)
Strophitus macconnelli (Russell, 1932)
Strophitus propatoris (White, 1877)
Sulcatapex cretaceus Yen, 1946
Tritogonia natosini (McLearn, 1929)
Venustaconcha dewittensis (Marshall, 1929)
Venustaconcha iridoides (White, 1886)
Vetulonaia mayoworthensis Branson, 1935
Vetulonaia whitei Branson, 1935
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