Gallileja Prime, 1852
‘da Costa’ of Authors.
Prime, 1852, Boston J. Nat. Hist. 6(3): 348.
Prime, 1865, Smithsonian Misc. Coll. (145): 59.
Prime, 1870, Amer. J. Conch. 5: 164.
(error for Galileja Costa, 1840)

Physemoda Prime, 1852
‘Rafinesque’ of Authors.
Prime, 1852, Boston J. Nat. Hist. 6(3): 348.
Prime, 1860, Proc. Acad. Nat. Sci. 12: 267.
Prime, 1865, Smithsonian Misc. Coll. (145): 59.
(error for Phymesoda Rafinesque, 1820)

Cyclas aequalis Lamarck, 1835
Lamarck, 1835, unknown publication: ??.
‘Rafinesque’ Ferussac, 1835, Mag. Zool. 5: 29.
‘Rafinesque’ Prime, 1865, Smithsonian Misc. Coll. (145): 62.
‘Rafinesque’ Prime, 1870, Amer. J. Conch. 5: 174.
(error for Cyclas (Phymesoda) equalis Rafinesque, 1820)

Pisidium ventricosum Prime, 1851
Prime, 1851, Proc. Boston Soc. Nat. Hist. 4: 68.
Prime, 1852, Boston J. Nat. Hist. 6(3): 355, pl. 11, figs. 16-18.
Prime, 1865, Smithsonian Misc. Coll. (145): 72, figs. 79-80.

Pisidium adamsii Stimpson, 1851
‘Prime, MS’ Stimpson, 1851, Shells of New England: 16.
Prime, 1852, Boston J. Nat. Hist. 6(3): 352, pl. 11, figs. 1-3.
Prime, 1865, Smithsonian Misc. Coll. (145): 63, fig. 63.
(new name for Cyclas nitida Mighels & Adams, 1842)

Pisidium compressum Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 164.
Prime, 1852, Ann. Lyc. Natur. Hist. 5: 219, pl. 6.
Prime, 1852, Boston J. Nat. Hist. 6(3): 356, pl. 11, figs. 13-15.
Prime, 1865, Smithsonian Misc. Coll. (145): 64, figs. 67-68.

Cyclas fabalis Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 159.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 273.
Prime, 1865, Smithsonian Misc. Coll. (145): 40, fig. 33.

Cyclas rosacea Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 155.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 277.
Prime, 1865, Smithsonian Misc. Coll. (145): 50, fig. 48.

Pisidium ferrugineum Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 162.
Prime, 1852, Boston J. Nat. Hist. 6(3): 362, pl. 12, figs. 8-10.
Prime, 1865, Smithsonian Misc. Coll. (145): 71, figs. 77-78.

Cyclas tenuis Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 161.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 285.
Prime, 1865, Smithsonian Misc. Coll. (145): 47, fig. 44.

Cyclas securis Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 160.
Prime, 1852, Ann. Lyc. Natur. Hist. 5: 218, pl. 6.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 276.
Prime, 1865, Smithsonian Misc. Coll. (145): 49, fig. 47.

Cyclas flava Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 155.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 284.
Prime, 1865, Smithsonian Misc. Coll. (145): 43, fig. 39.

Cyclas emarginata Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 156.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 283.
Prime, 1865, Smithsonian Misc. Coll. (145): 43, fig. 38.

Cyclas solidula Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 158.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 282.
Prime, 1865, Smithsonian Misc. Coll. (145): 36, fig. 27.

Pisidium rotundatum Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 164.
Prime, 1852, Boston J. Nat. Hist. 6(3): 357, pl. 11, figs. 19-21.
Prime, 1865, Smithsonian Misc. Coll. (145): 72, figs. 81-82.

Cyclas aurea Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 159.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 283.
Prime, 1865, Smithsonian Misc. Coll. (145): 35, fig. 26.

Pisidium variabile Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 163.
Prime, 1852, Boston J. Nat. Hist. 6(3): 351, pl. 11, figs. 7-9.
Prime, 1865, Smithsonian Misc. Coll. (145): 66, figs. 69-70.

Pisidium altile Prime, 1852
‘Anthony’ C.B. Adams, 1847, Cat. Gen. Sp. Adams: 29. [nomen nudum]
‘Anthony’ Prime, 1852, Boston J. Nat. Hist. 6(3): 353, pl. 11, figs. 10-12.
‘Anthony, in litt.’ Prime, 1865, Smithsonian Misc. Coll. (145): 65 [as ‘Cyclas altilis’]. [nomen nudum]

Pisidium equilaterale Prime, 1852
Prime, 1852, Boston J. Nat. Hist. 6(3): 366, pl. 12, figs. 23-25.
Prime, 1865, Smithsonian Misc. Coll. (145): 63, figs. 65-66 [as ‘æquilaterale’].

Cyclas sphaerica Prime, 1853
‘Anthony’ Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 275 [as ‘sphærica’].
‘Anthony’ Prime, 1865, Smithsonian Misc. Coll. (145): 50, fig. 49.

Cyclas occidentale Lewis, 1856
‘Prime’ Lewis, 1856, Proc. Boston Soc. Nat. Hist. 6(1): 2.
Prime, 1865, Smithsonian Misc. Coll. (145): 41, fig. 34.
‘Prime’ Lewis, 1872, Proc. Acad. Nat. Sci. 24: 109.
(new name for Cyclas ovalis Prime, 1853)

Pisidium noveboracense Prime, 1858
Prime, 1858, Ann. Lyc. Natur. Hist. 6: 65, pl. 1, figs. 3a-c.
Prime, 1865, Smithsonian Misc. Coll. (145): 67, fig. 71.

Cyclas fuscata Prime, 1860
‘Rafinesque’ Prime, 1860, Proc. Acad. Nat. Sci. 12: ??.
‘Rafinesque’ Prime, 1865, Smithsonian Misc. Coll. (145): 38.
(error for Cyclas furcata Prime, 1853)

Sphaerium subtransversum Prime, 1860
Prime, 1860, Proc. Zool. Soc. London 28: 322.
Prime, 1865, Smithsonian Misc. Coll. (145): 52.

Sphaerium vermontanum Prime, 1861
Prime, 1861, Proc. Acad. Nat. Sci. 13: 128.
Prime, 1865, Smithsonian Misc. Coll. (145): 42, fig. 37.

Sphaerium barbadense Prime, 1861
Prime, 1861, Proc. Acad. Nat. Sci. 13: 415.
Prime, 1865, Smithsonian Misc. Coll. (145): 53, fig. 53.

Sphaerium meridionale Prime, 1861
Prime, 1861, Proc. Acad. Nat. Sci. 13: 414.
Prime, 1865, Smithsonian Misc. Coll. (145): 55, fig. 54.

Sphaerium portoricense Prime, 1861
Prime, 1861, Proc. Acad. Nat. Sci. 13: 415.
Prime, 1865, Smithsonian Misc. Coll. (145): 56, fig. 57.

Pisidium simile Prime, 1863
Prime, 1863, Cat. Corbicul.: 15.
Prime, 1865, Smithsonian Misc. Coll. (145): 69, fig. 74.

Cyrena recluzii Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 24, fig. 19.
(new name for Cyrena cordiformis Récluz, 1853)

Cyrena tumida Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 26.
(new name for Cyrena (Anomala) angulata Deshayes, 1854)

Pisidium virginicum Prime, 1865
‘Bourguignat’ Prime, 1865, Smithsonian Misc. Coll. (145): 61-62.
‘Gmelin’ Sterki, 1916, Ann. Carnegie Mus. 10(3/4): ??.
(reference to Tellina virginica Gmelin, 1791)

Corbicula perplexa Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 75, fig. 84.

Cyanocyclas globulus Prime, 1865
‘Jonas, in litter.’ Prime, 1865, Smithsonian Misc. Coll. (145): 6. [nomen nudum]
‘Jonas, in litt.’ Prime, 1870, Amer. J. Conch. 5: 130. [nomen nudum]
(intro'd as syn of Cyrena cuneata Jonas, 1844)

Cyclas sulculosa Prime, 1865
‘de Charpentier, Mss.’ Prime, 1865, Smithsonian Misc. Coll. (145): 40.
‘De Charpentier, in litt.’ Prime, 1870, Amer. J. Conch. 5: 153. [nomen nudum]
(intro'd as syn of Cyclas fabalis Prime, 1852)

Sphaerium contractum Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 48, fig. 46.

Cyclas saratogea Prime, 1865
‘Lamarck’ Prime, 1865, Smithsonian Misc. Coll. (145): 34.
(error for Cyclas sarratogea Lamarck, 1818)

Cyrena ordinaria Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 19, fig. 15.

Cyrena regalis Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 18, fig. 13.

Pisidium consanguineum Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 76, fig. 86.

Pisidium grande Prime, 1865
‘Whittemore, in litt.’ Prime, 1865, Smithsonian Misc. Coll. (145): 66. [nomen nudum]
‘Whittemore, in litt.’ Prime, 1870, Amer. J. Conch. 5: 173. [nomen nudum]
(intro'd as syn of Pisidium variabile Prime, 1852)

Pisidium jamaicense Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 70, fig. 76.

Pisidium ultramontanum Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 75, fig. 85.

Cyclas littoralis Prime, 1865
‘Férussac, Collect. Michaud’ Prime, 1865, Smithsonian Misc. Coll. (145): 54. [nomen nudum]
‘Férussac, in litt.’ Prime, 1870, Amer. J. Conch. 5: 155. [nomen nudum]
(intro'd as syn of Cyclas modioliformis Anton, 1837)

Cyclas striatella Prime, 1865
‘Férussac, Museum of Paris’ Prime, 1865, Smithsonian Misc. Coll. (145): 54. [nomen nudum]
‘Férussac, in litt.’ Prime, 1870, Amer. J. Conch. 5: 155. [nomen nudum]
(intro'd as syn of Cyclas modioliformis Anton, 1837)

Cyclas venezuelensis Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 54. [nomen nudum]
Prime, 1870, Amer. J. Conch. 5: 155. [nomen nudum]
(intro'd as syn of Cyclas modioliformis Anton, 1837)

Sphaerium cubense Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 58, fig. 60.

Pisidium aequilaterale Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 63 [as ‘æquilaterale’].
Prime, 1870, Amer. J. Conch. 5: 165.
‘Prime’ Prime, 1895, Cat. Corbiculadae: 50 [as ‘æquilaterale’].
‘Prime’ Herrington, 1962, MPUMMZ (118): 31.
(error for Pisidium equilaterale Prime, 1852)

Cyrena colorata Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 30, fig. 23.

Cyrena meridionalis Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 19, fig. 14.

Sphaerium parvulum Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 57, fig. 58.

Sphaerium jayanum Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 46, fig. 43.
(new name for Cyclas jayensis Prime, 1852)

Cyrena cubensis Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 29.
(new name for Cyrena maritima d’Orbigny, 1853)

Sphaerium viridante Prime, 1865
‘Morelet’ Prime, 1865, Smithsonian Misc. Coll. (145): 57, fig. 59.
(renamed Limosina viridans Prime, 1895)

Cyclas pallida Prime, 1865
‘de Charpentier, Mss.’ Prime, 1865, Smithsonian Misc. Coll. (145): 44. [nomen nudum]
‘de Charpentier, in litt.’ Prime, 1870, Amer. J. Conch. 5: 153. [nomen nudum]

Cyrena californica Prime, 1865
Prime, 1865, Smithsonian Misc. Coll. (145): 23.
Prime, 1870, Amer. J. Conch. 5: 142.
‘Prime’ Clessin, 1879, Conch. Cab. 9(3): 232.
(error for Cyrena californiensis Prime, 1860)

Corbicula brasiliana Deshayes

Corbicula convexa Deshayes

Corbicula cuneata Deshayes
+ Corbicula incrassata Deshayes, 1854
+ Cyanocyclas globulus Prime, 1865

Corbicula limosa Deshayes
+ Cyclas (Cyrena) variegata d’Orbigny, 1835
+ Corbicula semisulcata Deshayes, 1854

Corbicula moreauensis Meek & Hayden

Corbicula nebrascensis Meek & Hayden

Corbicula obsoleta Deshayes

Corbicula paranensis Deshayes
+ Cyclas (Cyrena) paranacensis d’Orbigny, 1835

Corbicula perplexa Prime

Corbicula rotunda Prime

Corbicula truncata Prime

Cyrena acuta Prime

Cyrena anomala Deshayes
+ Cyrena peruviana Deshayes, 1854

Cyrena arctata Deshayes

Cyrena boliviana Philippi

Cyrena californica [sic] Prime
+ Cyrena subquadrata Deshayes, 1854

Cyrena caroliniensis Lamarck
+ Cyclas caroliniana Bosc, 1801

Cyrena colorata Prime

Cyrena cubensis Prime
+ Cyrena maritima d’Orbigny, 1853

Cyrena cumingii Deshayes

Cyrena floridana Conrad

Cyrena fontaineii Carpenter

Cyrena fortis Prime

Cyrena inflata Philippi

Cyrena insignis Deshayes

Cyrena isocardioides Deshayes

Cyrena maritima C.B. Adams

Cyrena meridionalis Prime

Cyrena mexicana Sowerby
+ Cyrena aequilatera Deshayes, 1854
+ Cyrena varians Carpenter, 1857
+ Cyrena fragilis Sowerby, 1878

Cyrena nitidula Deshayes

Cyrena notabilis Deshayes

Cyrena obscura Prime

Cyrena olivacea Carpenter
+ Cyrena fontainei Philippi, 1851

Cyrena ordinaria Prime

Cyrena panamensis Prime
+ Cyrena (Anomala) inflata Deshayes, 1854

Cyrena placens Hanley

Cyrena pullastra Mörch

Cyrena radiata Hanley

Cyrena recluzii Prime
+ Cyrena cordiformis Récluz, 1853

Cyrena regalis Prime

Cyrena salmacida Morelet

Cyrena solida Philippi

Cyrena sordida Hanley

Cyrena triangula v. d. Busch
+ Cyrena altilis Gould, 1852

Cyrena tumida Prime
+ Cyrena (Anomala) angulata Deshayes, 1854

Pisidium abditum Haldeman
+ Cyclas minor Mighels & Adams, 1842
+ Pisidium tenellum Agassiz, 1850
+ Pisidium minus Stimpson, 1851
+ Pisidium obscurum Prime, 1852
+ Pisidium rubellum Prime, 1852
+ Pisidium kurtzii Prime, 1852
+ Pisidium zonatum Prime, 1852
+ Pisidium regulare Prime, 1852
+ Pisidium notatum Prime, 1852
+ Pisidium arcuatum Prime, 1852
+ Pisidium resartum Prime, 1862
+ Pisidium rubrum Prime, 1862
+ Pisidium plenum Prime, 1862

Pisidium adamsi Prime
+ Cyclas nitida Mighels & Adams, 1842

Pisidium chilense Deshayes
+ Pisidium angulatum Prime, 1860

Pisidium compressum Prime
+ Pisidium altile Prime, 1852
+ Pisidium cicer Prime, 1858

Pisidium consanguineum Prime

Pisidium ferrugineum Prime

Pisidium jamaicense Prime
+ Cyclas pygmaea Adams, 1849
+ Pisum adamsi Deshayes, 1854

Pisidium nov-eboracense Prime

Pisidium occidentale Newcomb

Pisidium pulchellum Deshayes

Pisidium rotundatum Prime

Pisidium simile Prime

Pisidium ultramontanum Prime

Pisidium variabile Prime
+ Cyclas nitida Linsley, 1845
+ Pisidium grande Prime, 1865

Pisidium ventricosum Prime

Pisidium virginicum Bourguignat
+ Cyclas dubia Say, 1817
+ Cyclas (Phymesoda) equalis Rafinesque, 1820
+ Cyclas (Pisidium) abruptum Haldeman, 1841

Pisidium æquilaterale [sic] Prime

Sphærium argentinum d’Orbigny

Sphærium aureum Prime

Sphærium bahiense Spix
+ Cyclas maculata Anton, 1837

Sphærium barbadense Prime

Sphærium contractum Prime

Sphærium cubense Prime

Sphærium dentatum Haldeman

Sphærium elevatum Haldeman
+ Cyclas pallida Prime, 1865

Sphærium emarginatum Prime

Sphærium fabalis Prime
+ Cyclas castanea Prime, 1852
+ Cyclas sulculosa Prime, 1865

Sphærium flavum Prime

Sphærium jayanum Prime
+ Cyclas jayensis Prime, 1852

Sphærium lenticula Gould

Sphærium maculatum Morelet

Sphærium meridionale Prime

Sphærium modioliforme Anton
+ Cyclas (Pisidium) diaphanum Haldeman, 1841
+ Pisidium moquinianum Bourguignat, 1854
+ Cyclas striatella Prime, 1865
+ Cyclas littoralis Prime, 1865
+ Cyclas venezuelensis Prime, 1865

Sphærium nobile Gould

Sphærium occidentale Prime
+ Cyclas ovalis Prime, 1853

Sphærium partumeium Say
+ Cyclas orbicularia Linsley, 1845
+ Cyclas mirabilis Prime, 1852
+ Cyclas caerulea Prime, 1852
+ Cyclas eburnea Prime, 1853

Sphærium parvulum Prime

Sphærium patella Gould

Sphærium portoricense Prime

Sphærium rhomboideum Say
+ Cyclas elegans Adams, 1840

Sphærium rosaceum Prime

Sphærium securis Prime
+ Cyclas cardissa Prime, 1852
+ Cyclas crocea Lewis, 1854

Sphærium solidulum Prime
+ Cyclas distorta Prime, 1852

Sphærium sphæricum Anthony

Sphærium spokani W. Baird

Sphærium stamineum Conrad
+ Cyclas furcata Prime, 1853
+ Cyclas bulbosa Prime, 1853

Sphærium striatinum Lamarck
+ Cyclas edentula Say, 1829
+ Cyclas cornea C.B. Adams, 1847
+ Cyclas albula Prime, 1852
+ Cyclas tenuistriata Prime, 1852
+ Cyclas acuminata Prime, 1852
+ Cyclas inornata Prime, 1852
+ Cyclas simplex Prime, 1852
+ Cyclas modesta Prime, 1852

Sphærium subtransversum Prime

Sphærium sulcatum Lamarck
+ Cyclas similis Say, 1817
+ Cyclas sarratogea Lamarck, 1818
+ Cyclas (Amesoda) lasmampsis Rafinesque, 1820
+ Cyclas solida De Kay, 1843
+ Cyclas gigantea Prime, 1852
+ Cyclas ponderosa Prime, 1852

Sphærium tenue Prime

Sphærium transversum Say
+ Cyclas detruncata Prime, 1852
+ Cyclas gracilis Prime, 1852
+ Cyclas constricta Prime, 1853

Sphærium triangulare Say

Sphærium truncatum Linsley
+ Cyclas calyculata C.B. Adams, 1842
+ Cyclas pellucida Stimpson, 1851

Sphærium tumidum W. Baird

Sphærium veatleyi C.B. Adams

Sphærium vermontanum Prime

Sphærium viridante Morelet