abdita, Cyclas abdita Haldeman, 1841 - syn of: Pisidium casertanum (Poli, 1791)
abditum huachucanum, Pisidium abditum huachucanum Pilsbry & Ferriss, 1906 - syn of: Pisidium casertanum (Poli, 1791)
abditum lacteum, Pisidium abditum lacteum Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
abortivum, Pisidium abortivum Sterki, 1916 - syn of: Pisidium conventus Clessin, 1877
abortivum exiguum, Pisidium abortivum exiguum Sterki, 1916 - syn of: Pisidium conventus Clessin, 1877
abyssinicum, Sphaerium abyssinicum Pollonera, 1899 - syn of: Sphaerium hartmanni Jickeli, 1874
abyssorum, Pisidium abyssorum Sterki, 1898 - syn of: Pisidium conventus Clessin, 1877
acuta, Cyclas acuta Pfeiffer, 1821 - syn of: Pisidium henslowanum (Sheppard, 1825)
acuticostata, Puchelleuglesa acuticostata Starobogatov & Korniushin, 1989 - syn of: Pisidium pulchellum Jenyns, 1831
adamsi, Pisum adamsi Deshayes, 1854 - syn of: Pisidium jamaicense Prime, 1865
adamsi, Pisidium adamsi Stimpson, 1851
aequata, Cyclas aequata Sheppard MS, 0 - syn of: Sphaerium rivicola Leach, 1815
aequatoriale, Sphaerium aequatoriale Clessin, 1879
affine, Pisidium affine Sterki, 1901 - syn of: Pisidium adamsi Stimpson, 1851
akkesiensis, Conventus akkesiensis Mori, 1938 - syn of: Pisidium conventus Clessin, 1877
alata, Cyclas alata Prime, 1870 - syn of: Sphaerium cornea (Linnaeus, 1767)
albidum, Pisidium albidum Sterki, 1911 - syn of: Pisidium casertanum (Poli, 1791)
alexandri, Pisidium alexandri (Stadnichenko, 1980)
alexandri, Roseana alexandri Stadnichenko, 1980 - syn of: Pisidium alexandri (Stadnichenko, 1980)
alexandri, Casertiana alexandri Stadnichenko, 1980 - syn of: Pisidium alexandri (Stadnichenko, 1980)
alleni, Pisidium alleni Sterki, 1912 - syn of: Pisidium casertanum (Poli, 1791)
alluaudi, Pseudocorbicula alluaudi Dautzenberg, 1908 - syn of: Sphaerium nyanzae (Smith, 1892)
alpicola, Pisidium alpicola Clessin, 1890 - syn of: Pisidium lilljeborgi Clessin, 1886
alpicola, Pisidium alpicola Suter, 1889 - syn of: Pisidium subtruncatum Malm, 1855
alpinum, Pisidium alpinum Odhner, 1938 - syn of: Pisidium tenuilineatum Stelfox, 1918
altaicum, Neopisidium altaicum Krivosheina, 1979 - syn of: Pisidium subtruncatum Malm, 1855
alticola, Sphaerium alticola Kobelt, 1913
altiumbonata, Casertiana altiumbonata Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
ambigua, Casertiana ambigua Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
amnicum, Pisidium amnicum (Müller, 1774)
amnicum etorohuense, Pisidium amnicum etorohuense Mori, 1935 - syn of: Pisidium dilatatum Westerlund, 1897
amoenum, Pisidium amoenum Herrington, 1954 - syn of: Pisidium nitidum Jenyns, 1832
amplum, Pisidium amplum Prime, 1862 - syn of: Pisidium casertanum (Poli, 1791)
amurense, Musculium amurense Zatrawkin & Moskvicheva, 1986 - syn of: Musculium lacustre (Müller, 1774)
anceps, Pisidium anceps Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
angarensis, Cyclocalyx angarensis Slugina & al., 1994 - syn of: Pisidium obtusale (Lamarck, 1818)
anjuica, Hiberneuglesa anjuica Starobogatov & Korniushin, 1989 - syn of: Pisidium hibernicum Westerlund, 1894
annandalei, Pisidium annandalei Prashad, 1925
apiculatum, Pisidium apiculatum Sterki, 1922 - syn of: Pisidium subtruncatum Malm, 1855
appendiculata, Pisidium appendiculata Turton, 1831 - syn of: Pisidium henslowanum (Sheppard, 1825)
appressum, Pisidium appressum Prashad, 1933
arcaeforme, Pisidium arcaeforme Malm, 1855 - syn of: Pisidium milium Held, 1836
arcidens, Pisidium arcidens Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
arcticum, Pisidium arcticum Westerlund, 1883 - syn of: Pisidium casertanum (Poli, 1791)
arcuatum, Pisidium arcuatum Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
argentinum, Sphaerium argentinum (D'Orbigny, 1835)
armillatum, Pisidium armillatum (Kuiper, 1966)
artifex, Pisidium artifex Kuiper, 1960
ashmuni, Pisidium ashmuni Sterki, 1903 - syn of: Pisidium casertanum (Poli, 1791)
asiaticum, Sphaerium asiaticum (Von Martens, 1864)
asiaticum caperata, Sphaerium asiaticum caperata Westerlund, 1897 - syn of: Sphaerium asiaticum (Von Martens, 1864)
aslini, Pisidium aslini Kuiper, 1983
asperi, Pisidium asperi Clessin, 1883 - syn of: Pisidium personatum Malm, 1855
astrachanica, Pisidium astrachanica Timm, 1976 - syn of: Pisidium subtruncatum Malm, 1855
astrahanica, Euglesa astrahanica Pirogov & Starobogatov, 1984 - syn of: Pisidium pirogovi (Starobogatov, 1984)
atkinsonianum, Pisidium atkinsonianum Theobald, 1876
atlanticum, Pisidium atlanticum Sterki, 1905 - syn of: Pisidium casertanum (Poli, 1791)
atlasicum, Pisidium atlasicum Pallary, 1915 - syn of: Pisidium casertanum (Poli, 1791)
atopum, Pisidium atopum Woodring, 1982 † (FOSSIL)
aucklandica, Pisidium aucklandica Suter, 1907
austeni, Sphaerium austeni Prashad, 1921
australe, Pisidium australe Philippi, 1836 - syn of: Pisidium casertanum (Poli, 1791)
australiense, Pisidium australiense Korniushin, 2000
avanum, Sphaerium avanum Theobald, 1873
bahamensis, Eupera bahamensis (Clench, 1938)
bahiensis, Eupera bahiensis (Spix, 1827)
bahiensis, Cyclas bahiensis Von Martens, 1873 - syn of: Eupera simoni (Jousseaume, 1889)
baicalense, Pisidium baicalense Dybowski, 1902 - syn of: Pisidium dilatatum Westerlund, 1897
baicalense complanatum, Sphaerium baicalense complanatum Lindholm, 1909 - syn of: Pisidium dilatatum Westerlund, 1897
barbadensis, Eupera barbadensis (Prime, 1861)
baudoniana, Tetragonocyclas baudoniana Cessac, 1855 - syn of: Pisidium milium Held, 1836
baudonii, Henslowiana baudonii Clessin, 1873 - syn of: Pisidium supinum Schmidt, 1850
behningi, Pisidium behningi Izzatullaev & Starobogatov, 1986
bejumae, Pisidium bejumae Baker, 1930
bellardii, Pisidium bellardii Brusina, 1884 † (FOSSIL)
bequaerti, Sphaerium bequaerti (Dautzenberg & Germain, 1914)
berryi, Pisidium berryi Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
betafoense, Pisidium betafoense Kuiper, 1953
biwaense, Sphaerium biwaense Mori, 1933 - syn of: Sphaerium japonicum Westerlund, 1883
boccardi, Sphaerium boccardi Pollonera, 1899 - syn of: Sphaerium hartmanni Jickeli, 1874
bodamica, Hiberneuglesa bodamica Starobogatov & Korniushin, 1989 - syn of: Pisidium hibernicum Westerlund, 1894
boettgeriana, Cyclas boettgeriana Servain, 1882 - syn of: Sphaerium rivicola Leach, 1815
boliviense, Pisidium boliviense Sturany, 1900
bombayanum, Pisidium bombayanum Theobald, 1876 - syn of: Pisidium clarkeanum Nevill, 1871
bonnafouxianum, Pisidium bonnafouxianum Cessac, 1855 - syn of: Pisidium henslowanum (Sheppard, 1825)
borealis, Pisidium borealis Westerlund, 1877 - syn of: Pisidium globulare Westerlund & Clessin, 1873
bourguignati, Sphaerium bourguignati Lallement & Servain, 1869 - syn of: Sphaerium rivicola Leach, 1815
bradena, Australpera bradena Iredale, 1943 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
brochonianum, Sphaerium brochonianum Bourguignat, 1854 - syn of: Musculium lacustre (Müller, 1774)
buchtarmensis, Casertiana buchtarmensis Krivosheina, 1978 - syn of: Pisidium casertanum (Poli, 1791)
buruense, Sphaerium buruense Van Benthem-Jutting, 1927 - syn of: Sphaerium ranae Van Benthem-Jutting, 1927
calyculata, Sphaerium calyculata Draparnaud, 1805 - syn of: Musculium lacustre (Müller, 1774)
calyculata compressa, Cyclas calyculata compressa Middendorff, 1851 - syn of: Musculium lacustre (Müller, 1774)
calyculata inflata, Cyclas calyculata inflata Middendorff, 1851 - syn of: Sphaerium asiaticum (Von Martens, 1864)
calyculatum, Pisidium calyculatum Dupuy, 1849 - syn of: Pisidium casertanum (Poli, 1791)
cambaraense, Sphaerium cambaraense (Mansur, Meier-Brook & Ituarte, 2008)
canariense, Pisidium canariense Shuttleworth, 1852 - syn of: Pisidium casertanum (Poli, 1791)
capax, Pisidium capax Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
capense, Sphaerium capense (Krauss, 1848)
capensis, Cyclas capensis Jickeli, 1874 - syn of: Sphaerium hartmanni Jickeli, 1874
capiduliferum, Sphaerium capiduliferum Lindholm, 1909 - syn of: Sphaerium cornea (Linnaeus, 1767)
cardiolum, Eupera denainvillersi cardiolum Deshayes (FOSSIL)
carelicum, Pisidium carelicum Odhner, 1926 - syn of: Pisidium dilatatum Westerlund, 1897
carum, Pisidium carum Cotton, 1953
casertanum, Pisidium casertanum (Poli, 1791)
casertanum, Pisidium casertanum Annandale, 1918 - syn of: Pisidium clarkeanum Nevill, 1871
casertanum humeriforme, Pisidium casertanum humeriforme Stelfox, 1918 - syn of: Pisidium casertanum (Poli, 1791)
casertanum ponderosum, Pisidium casertanum ponderosum Stelfox, 1918 - syn of: Pisidium casertanum (Poli, 1791)
castroi, Sphaerium castroi Locard, 1899 - syn of: Musculium lacustre (Müller, 1774)
cavernicum, Pisidium cavernicum Mori, 1938
caviticum, Pisidium caviticum (Zhadin, 1952)
caviticum, Speleopisidium caviticum Zhadin, 1952 - syn of: Pisidium caviticum (Zhadin, 1952)
cecilae, Sphaerium cecilae Prashad, 1921
cedrorum, Pisidium cedrorum Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791)
centrale, Pisidium centrale Korniushin, 2000
ceylanica, Cyclas ceylanica Blainville, 1818 - syn of: Geloina erosa (Lightfoot, 1786)
chandanbariensis, Pisidium chandanbariensis Nesemann, Sharma, Sharma & al., 2007
chankensis, Pisidium chankensis Zhadin, 1952
chatyrkulense, Pisidium chatyrkulense (Izzatullaev & Starobogatov, 1986)
chatyrkulense, Odhneripisidium chatyrkulense Izzatullaev & Starobogatov, 1986 - syn of: Pisidium chatyrkulense (Izzatullaev & Starobogatov, 1986)
chaunensis, Cyclocalyx chaunensis Prozorova, 1988 - syn of: Pisidium obtusale (Lamarck, 1818)
chicha, Pisidium chicha Ituarte, 2005
chilensis, Pisidium chilensis Gray, 1828
chinensis, Cyclas chinensis Lamarck, 1806 - syn of: Corbicula fluminea (Müller, 1774)
chiquitanum, Pisidium chiquitanum Ituarte, 2001
chukchensis, Pisidium chukchensis Prozorova, 1988 - syn of: Pisidium dilatatum Westerlund, 1897
cinereum, Pisidium cinereum Alder, 1838 - syn of: Pisidium casertanum (Poli, 1791)
cinereum nikkoense, Pisidium cinereum nikkoense Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
cinereum nikkyensis, Pisidium cinereum nikkyensis Kantor & al, 2010 - syn of: Pisidium casertanum (Poli, 1791)
cinetum, Pisidium cinetum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
cingulatum, Euglesa cingulatum Anistratenko & Starobogatov, 1990 - syn of: Pisidium nitidum Jenyns, 1832
citrina, Cyclas citrina Brown, 1844 - syn of: Sphaerium cornea (Linnaeus, 1767)
clarckeanum, Pisidium clarckeanum Nevill, 1871 - syn of: Pisidium clarkeanum Nevill, 1871
clarkeanum, Pisidium clarkeanum Nevill, 1871
clarkeanum dhulikhelensis, Pisidium clarkeanum dhulikhelensis Nesemann & Sharma, 2005 - syn of: Pisidium clarkeanum Nevill, 1871
clausi, Pisidium clausi Korniushin, 2006
clessini, Calyculina clessini Clessin, 1882 - syn of: Musculium lacustre (Müller, 1774)
clessini, Pisidium clessini Surbeck, 1899 - syn of: Pisidium conventus Clessin, 1877
columbianum, Pisidium columbianum Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791)
communis, Cornea communis Von Mühlfeld, 1811 - syn of: Sphaerium cornea (Linnaeus, 1767)
complanatum, Pisidium complanatum Sterki, 1903 - syn of: Pisidium casertanum (Poli, 1791)
compressum, Musculium compressum Middendorff, 1851 - syn of: Musculium lacustre (Müller, 1774)
compressum, Sphaerium compressum Mousson, 1887 - syn of: Musculium lacustre (Müller, 1774)
compressum, Pisidium compressum Prime, 1852
concinnulum, Pisidium concinnulum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
conicum, Pisidium conicum Baudon, 1863 - syn of: Pisidium supinum Schmidt, 1850
consanguineum, Pisidium consanguineum Prime, 1865
contortum, Pisidium contortum Prime, 1858 - syn of: Pisidium nitidum Jenyns, 1832
conventus, Pisidium conventus Clessin, 1877
corbiculaeformis, Arcteuglesa corbiculaeformis Prozorova & al., 1996 - syn of: Pisidium chankensis Zhadin, 1952
coreanicum, Sphaerium coreanicum Kobayashi & Suzuki, 1943
coreanum, Pisidium coreanum Kwon, 1990
cornea, Sphaerium cornea (Linnaeus, 1767)
cornea, Cyclas cornea Draparnaud, 1801 - syn of: Sphaerium rivicola Leach, 1815
corneum scaldianum, Sphaerium corneum scaldianum Normand, 1844 - syn of: Sphaerium nucleus (Studer, 1820)
costaricanum, Sphaerium costaricanum Von Martens, 1900
costifera, Arcteuglesa costifera Prozorova & al., 1996 - syn of: Pisidium chankensis Zhadin, 1952
costulosum, Pisidium costulosum Connolly, 1931
courteti, Sphaerium courteti Germain, 1904 - syn of: Sphaerium hartmanni Jickeli, 1874
courteti marginatum, Sphaerium courteti marginatum Germain, 1907 - syn of: Sphaerium hartmanni Jickeli, 1874
courteti unicolor, Sphaerium courteti unicolor Germain, 1907 - syn of: Sphaerium hartmanni Jickeli, 1874
crassa, Eupera crassa (Mandahl-Barth, 1954)
crassa, Byssanodonta crassa Mandahl-Barth, 1954 - syn of: Eupera crassa (Mandahl-Barth, 1954)
crassicardo, Casertiana crassicardo Krivosheina, 1976 - syn of: Pisidium casertanum (Poli, 1791)
crassum, Sphaerium crassum Sterki, 1901 - syn of: Sphaerium simile Say, 1817
creplini, Cyclas creplini Dunker, 1845 - syn of: Musculium lacustre (Müller, 1774)
crimeana, Pisidium crimeana Stadnichenko, 1980 - syn of: Pisidium casertanum (Poli, 1791)
cruciatum, Pisidium cruciatum Sterki, 1895
cubensis, Eupera cubensis Prime, 1865
cumingi, Sphaerium cumingi Adams & Angas, 1864 - syn of: Divalucina cumingi (Adams & Angas, 1863)
cuneiforme, Pisidium cuneiforme Sterki, 1903 - syn of: Pisidium casertanum (Poli, 1791)
cyclocalyx, Cyclocalyx cyclocalyx Starobogatov & Budnikova, 1985 - syn of: Pisidium hinzi Kuiper, 1975
czerskii, Galileja czerskii Starobogatov & Streletzkaja, 1967 - syn of: Pisidium henslowanum (Sheppard, 1825)
dabneyi, Pisidium dabneyi Guerne, 1887 - syn of: Pisidium casertanum (Poli, 1791)
dammermani, Pisidium dammermani Odhner, 1940
dancei, Pisidium dancei (Kuiper, 1962)
danielsi, Pisidium danielsi Sterki, 1903 - syn of: Pisidium casertanum (Poli, 1791)
davisi, Sphaerium davisi (Bartsch, 1908)
ddingoii, Sphaerium ddingoii Prime, 1862 - syn of: Musculium lacustre (Müller, 1774)
declive, Musculium declive Sterki, 1912 - syn of: Musculium lacustre (Müller, 1774)
decurtatum, Pisidium decurtatum (Lindholm, 1909)
decurtatum, Amuropisidium decurtatum Lindholm, 1909 - syn of: Pisidium decurtatum (Lindholm, 1909)
deflexum, Pisidium deflexum Sterki, 1922 - syn of: Pisidium adamsi Stimpson, 1851
degorteri, Eupera degorteri (Kuiper, 1954)
denainvillersi, Eupera denainvillersi (Boissy, 1848) † (FOSSIL)
denainvillersi cardiolum, Eupera denainvillersi cardiolum Deshayes, 1857 † (FOSSIL)
depressinitidum, Euglesa depressinitidum Anistratenko & Starobogatov, 1990 - syn of: Pisidium nitidum Jenyns, 1832
depressissima, Casertiana depressissima Krivosheina, 1978 - syn of: Pisidium casertanum (Poli, 1791)
depressum, Pisidium depressum Pfeiffer, 1852 - syn of: Pisidium casertanum (Poli, 1791)
devium, Pisidium devium Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
diaphanum, Pisidium diaphanum Haldeman, 1841 - syn of: Eupera bahiensis (Spix, 1827)
difficilis, Euglesa difficilis Pirogov & Starobogatov, 1975 - syn of: Pisidium pirogovi (Starobogatov, 1984)
dilatatum, Pisidium dilatatum Westerlund, 1897
dispar, Pisidium dispar Sterki, 1911 - syn of: Pisidium casertanum (Poli, 1791)
doellojuradoi, Eupera doellojuradoi Klappenbach, 1962
dorbignyi, Pisidium dorbignyi (Clessin, 1879)
draparnaldii, Sphaerium draparnaldii Clessin, 1873 - syn of: Sphaerium nucleus (Studer, 1820)
dubium, Pisidium dubium (Say, 1817)
dubrueili, Pisidium dubrueili Baudon, 1872 - syn of: Pisidium obtusale (Lamarck, 1818)
dulvertonensis, Pisidium dulvertonensis Tenison-Woods, 1876 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
dupuyanum, Pisidium dupuyanum Normand, 1854 - syn of: Pisidium henslowanum (Sheppard, 1825)
dybowskii, Sphaerium dybowskii Lindholm, 1909
dybowskii, Baicalipisidium dybowskii Slugina & al., 1994 - syn of: Pisidium raddei (Dybowski, 1902)
dymy, Euglesa dymy Stadnichenko, 1980 - syn of: Pisidium casertanum (Poli, 1791)
edlaueri, Pisidium edlaueri Kuiper, 1960
eduardi, Pisidium eduardi Kuiper, 1953 - syn of: Pisidium casertanum (Poli, 1791)
egregium, Pisidium egregium Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
eichwaldi, Euglesa eichwaldi Stadnichenko, 1983 - syn of: Pisidium personatum Malm, 1855
elegantula, Costopisidium elegantula Starobogatov & Budnikova, 1985 - syn of: Pisidium lilljeborgi Clessin, 1886
ellipsoidale, Pisidium ellipsoidale Cossmann, 1886 † (FOSSIL)
elliptica, Eupera elliptica Ituarte & Mansur, 1993
ellipticum, Pisidium ellipticum Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
ellisi, Pisidium ellisi Dance, 1967
equilaterale, Pisidium equilaterale Prime, 1852
etheridgei, Pisidium etheridgei Smith, 1882
ethiopicum, Pisidium ethiopicum Korniushin, 1995
eucodium, Sphaerium eucodium Bourguignat, 1893 - syn of: Musculium lacustre (Müller, 1774)
euphratica, Sphaerium euphratica Lamarck, 1806 - syn of: Corbicula fluminalis (Müller, 1774)
eyerdami, Pisidium eyerdami Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
fabale, Sphaerium fabale Prime, 1852
fabale, Pisidium fabale Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
fallax, Sphaerium fallax Sterki, 1930 - syn of: Sphaerium simile Say, 1817
falsicorbicula, Arcteuglesa falsicorbicula Prozorova & al., 1996 - syn of: Pisidium chankensis Zhadin, 1952
falsinucleus, Amesoda falsinucleus Starobogatov & Korniushin, 1986 - syn of: Sphaerium cornea (Linnaeus, 1767)
favrei, Pisidium favrei Kuiper, 1947 - syn of: Pisidium pseudosphaerium Favre, 1927
feroense, Cingulipisidium feroense Korniushin, 1991 - syn of: Pisidium nitidum Jenyns, 1832
ferruginea, Eupera ferruginea (Krauss, 1848)
ferruginea, Limosina ferruginea Jickeli, 1874 - syn of: Eupera ferruginea (Krauss, 1848)
ferrugineum, Pisidium ferrugineum Prime, 1852
fidalgoense, Pisidium fidalgoense Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
fistulosum, Pisidium fistulosum Mandahl-Barth, 1954
flavescens, Cyclas flavescens Macgillivray, 1843 - syn of: Sphaerium cornea (Linnaeus, 1767)
flexum, Pisidium flexum Herrington, 1954 - syn of: Pisidium nitidum Jenyns, 1832
floresianum, Pisidium floresianum Rensch, 1934
fontinale, Pisidium fontinale Stein, 1850 - syn of: Pisidium supinum Schmidt, 1850
fontinalis, Pisidium fontinalis Draparnaud, 1805 - syn of: Pisidium casertanum (Poli, 1791)
forbesii, Sphaerium forbesii (Philippi, 1869)
forelli, Pisidium forelli Clessin, 1874 - syn of: Pisidium nitidum Jenyns, 1832
forense, Pisidium forense Meier-Brook, 1967
formosa, Arctoeuglesa formosa Prozorova, 1988 - syn of: Pisidium lilljeborgi Clessin, 1886
fossarinum, Pisidium fossarinum Westerlund, 1873 - syn of: Pisidium casertanum (Poli, 1791)
fossarinum curtum, Pisidium fossarinum curtum Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791)
fossarum, Cyclas fossarum Prime, 1870 - syn of: Sphaerium cornea (Linnaeus, 1767)
fragilis, Pisidium fragilis Westerlund, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
fragillimum, Pisidium fragillimum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
friersoni, Pisidium friersoni Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
fultoni, Pisidium fultoni Kuiper, 1983
furcatum, Pisidium furcatum Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791)
furcatum rhombicum, Pisidium furcatum rhombicum Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791)
gafurovi, Pisidium gafurovi (Izzatullaev & Starobogatov, 1986)
gafurovi, Odhneripisidium gafurovi Izzatullaev & Starobogatov, 1986 - syn of: Pisidium gafurovi (Izzatullaev & Starobogatov, 1986)
galitzini, Sphaerium galitzini Clessin, 1877 - syn of: Sphaerium nucleus (Studer, 1820)
georgeanum, Pisidium georgeanum Kuiper, 1952 - syn of: Pisidium ovampicum Ancey, 1890
gerfalchense, Sphaerium gerfalchense Paulucci, 1880 - syn of: Musculium lacustre (Müller, 1774)
gibba, Cyclas gibba Alder, 1838 - syn of: Pisidium obtusale (Lamarck, 1818)
gibba, Cyclocalyx gibba Prozorova, 1988 - syn of: Pisidium hinzi Kuiper, 1975
gibbosum, Sphaerium gibbosum Westerlund, 1890 - syn of: Musculium lacustre (Müller, 1774)
giraudi, Pisidium giraudi Bourguignat, 1885
glabellum, Pisidium glabellum Sterki, 1913 - syn of: Pisidium nitidum Jenyns, 1832
glaciata, Arctoeuglesa glaciata Prozorova, 1988 - syn of: Pisidium lilljeborgi Clessin, 1886
globosa, Cyclocalyx globosa Prozorova, 1988 - syn of: Pisidium hinzi Kuiper, 1975
globosa, Cyclas globosa Villa, 1841 - syn of: Sphaerium cornea (Linnaeus, 1767)
globulare, Pisidium globulare Westerlund & Clessin, 1873
globulosum, Pisidium globulosum Gassies, 1855 - syn of: Pisidium casertanum (Poli, 1791)
globulus, Pisidium globulus Clessin, 1888
goshaitanensis, Sphaerium goshaitanensis Nesemann & Sharma, 2005
granum, Pisidium granum (Lindholm, 1909)
granum, Euglesa granum Lindholm, 1909 - syn of: Pisidium granum (Lindholm, 1909)
gravis, Eupera gravis Baker, 1930
griseolum, Pisidium griseolum Sterki, 1922 - syn of: Pisidium casertanum (Poli, 1791)
guaraniana, Eupera guaraniana Ituarte, 1994
gundlachi, Pisidium gundlachi Prime, 1870 - syn of: Pisidium consanguineum Prime, 1865
gurvichi, Pisidium gurvichi (Izzatullaev & Starobogatov, 1985)
gurvichi, Euglesa gurvichi Izzatullaev & Starobogatov, 1985 - syn of: Pisidium gurvichi (Izzatullaev & Starobogatov, 1985)
gurvichi, Cyclocalyx gurvichi Izzatullaev & Starobogatov, 1985 - syn of: Pisidium gurvichi (Izzatullaev & Starobogatov, 1985)
haasi, Sphaerium haasi Böttger, 1915
haitiensis, Eupera haitiensis Klappenbach, 1970
hallae, Pisidium hallae Kuiper, 1983
handwerki, Pisidium handwerki Sterki, 1899 - syn of: Pisidium nitidum Jenyns, 1832
hannai, Pisidium hannai Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
harrisoni, Pisidium harrisoni Kuiper, 1964
hartmanni, Sphaerium hartmanni Jickeli, 1874
hartmanni bangweolicum, Sphaerium hartmanni bangweolicum Haas, 1936 - syn of: Sphaerium hartmanni Jickeli, 1874
hartmanni naivashaens, Sphaerium hartmanni naivashaens Preston, 1912 - syn of: Sphaerium hartmanni Jickeli, 1874
heldreichi, Pisidium heldreichi Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791)
hendersoni, Pisidium hendersoni Sterki, 1923 - syn of: Pisidium conventus Clessin, 1877
henslowana karetovensis, Galileja henslowana karetovensis Starobogatov & Streletzkaja, 1967 - syn of: Pisidium henslowanum (Sheppard, 1825)
henslowanum, Pisidium henslowanum (Sheppard, 1825)
henslowanum suecica, Pisidium henslowanum suecica (Clessin, 1873)
henslowanum suecicum, Pisidium henslowanum suecicum Westerlund, 1873 - syn of: Pisidium henslowanum (Sheppard, 1825)
henslowiana, Euglesa henslowiana Leach, 1852 - syn of: Pisidium personatum Malm, 1855
henslowianum, Pisidium henslowianum Sheppard, 1825
herminii, Sphaerium herminii Prime, 1870 - syn of: Pisidium casertanum (Poli, 1791)
herminii, Pisidium herminii Welwitsch, 1879 - syn of: Pisidium casertanum (Poli, 1791)
hermosum, Pisidium hermosum Bourguignat, 1888 - syn of: Pisidium giraudi Bourguignat, 1885
hesnlowianum inappendiculatum, Pisidium hesnlowianum inappendiculatum Moquin-Tandon, 1855 - syn of: Pisidium supinum Schmidt, 1850
heterodon, Sphaerium heterodon Pilsbry, 1895 - syn of: Musculium lacustre (Müller, 1774)
hibernicum, Pisidium hibernicum Westerlund, 1894
hibernicum normalis, Pisidium hibernicum normalis Stelfox, 1929 - syn of: Pisidium hibernicum Westerlund, 1894
hibernicum portentosa, Pisidium hibernicum portentosa Ellis, 1940 - syn of: Pisidium hibernicum Westerlund, 1894
hinkleyi, Pisidium hinkleyi Sterki, 1916 - syn of: Pisidium simplex Sterki, 1905
hinzi, Pisidium hinzi Kuiper, 1975
hispanicum, Sphaerium hispanicum Bourguignat, 1870 - syn of: Musculium lacustre (Müller, 1774)
hispanicum, Pisidium hispanicum Clessin, 1879 - syn of: Pisidium casertanum (Poli, 1791)
hissarica, Pisidium hissarica (Izzatullaev, 1985)
hissarica, Euglesa hissarica Izzatullaev, 1985 - syn of: Pisidium hissarica (Izzatullaev, 1985)
hodgkini, Afropisidium hodgkini (Suter, 1905)
hodgkini, Pisidium hodgkini Suter, 1905 - syn of: Afropisidium hodgkini (Suter, 1905)
hokkaidoensis, Pisidium hokkaidoensis Starobogatov & al, 2004 - syn of: Pisidium casertanum (Poli, 1791)
hoyeri, Pisidium hoyeri Esmark & Hoyer, 1886 - syn of: Pisidium casertanum (Poli, 1791)
huillichum, Pisidium huillichum Ituarte, 1999
humeriforme, Pisidium humeriforme Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
humeriforme, Pisidium humeriforme Stelfox, 1918 - syn of: Pisidium casertanum (Poli, 1791)
humerosa, Euglesa humerosa Timm, 1976 - syn of: Pisidium subtruncatum Malm, 1855
humiliumbo, Pseudeupera humiliumbo Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
hungaricum, Calyculina hungaricum Hazay, 1881 - syn of: Musculium lacustre (Müller, 1774)
hydaspicola, Pisidium hydaspicola Theobald, 1878 - syn of: Pisidium casertanum (Poli, 1791)
ibericum, Pisidium ibericum Clessin, 1873 - syn of: Pisidium casertanum (Poli, 1791)
idahoense, Pisidium idahoense Roper, 1890
iguazuensis, Eupera iguazuensis Ituarte, 1989
imbecille, Pisidium imbecille Sterki, 1900 - syn of: Pisidium conventus Clessin, 1877
imhofi, Pisidium imhofi Clessin, 1887 - syn of: Pisidium subtruncatum Malm, 1855
inacayali, Pisidium inacayali Ituarte, 1996
inappendiculatum, Pisidium inappendiculatum Steenberg, 1917 - syn of: Pisidium henslowanum (Sheppard, 1825)
incertum, Pisidium incertum Normand, 1854 - syn of: Pisidium nitidum Jenyns, 1832
incomitatum, Sphaerium incomitatum (Kuiper, 1966)
incrassata, Euglesa incrassata Ellis, 1940 - syn of: Pisidium subtruncatum Malm, 1855
indicum, Sphaerium indicum (Deshayes, 1854)
infirmicostata, Costopisidium infirmicostata Pirogov & Starobogatov, 1974 - syn of: Pisidium supinum Schmidt, 1850
inflata, Pisidium inflata Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
inflatum, Pisidium inflatum Von Mühlfeld, 1838 - syn of: Pisidium amnicum (Müller, 1774)
insigne, Pisidium insigne Gabb, 1868
insignis, Eupera insignis Pilsbry, 1925
intermedium, Pisidium intermedium Gassies, 1855 - syn of: Pisidium casertanum (Poli, 1791)
inutile, Sphaerium japonicum inutile Pilsbry
invenustum, Pisidium invenustum (Kuiper, 1996)
iquito, Pisidium iquito Ituarte, 2004
iratianum, Pisidium iratianum Dupuy, 1849 - syn of: Pisidium casertanum (Poli, 1791)
iredalei, Sphaerium iredalei Preston, 1912 - syn of: Sphaerium nyanzae (Smith, 1892)
irtyschensis, Casertiana irtyschensis Krivosheina, 1976 - syn of: Pisidium casertanum (Poli, 1791)
isabellaneum, Pisidium isabellaneum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
islandica, Sphaerium islandica Bruguière, 1797 - syn of: Batissa violacea (Lamarck, 1818)
isocardioides, Cyclas isocardioides Dupuy, 1852 - syn of: Sphaerium cornea (Linnaeus, 1767)
issykkulense, Pisidium issykkulense (Izzatullaev & Starobogatov, 1986)
issykkulense, Odhneripisidium issykkulense Izzatullaev & Starobogatov, 1986 - syn of: Pisidium issykkulense (Izzatullaev & Starobogatov, 1986)
italicum, Pisidium italicum Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791)
iturupensis, Kurilipisidium iturupensis Prozorova, 1996 - syn of: Pisidium conventus Clessin, 1877
iyoense, Musculium iyoense Hirase
izzatullaevi, Euglesa izzatullaevi Zatrawkin, 1987 - syn of: Pisidium lilljeborgi Clessin, 1886
jacutica, Galileja jacutica Starobogatov & Streletzkaja, 1967 - syn of: Pisidium hinzi Kuiper, 1975
jamaicense, Pisidium jamaicense Prime, 1865
japonicum, Pisidium japonicum Pilsbry & Hirase, 1908
japonicum, Sphaerium japonicum Westerlund, 1883
japonicum inutile, Sphaerium japonicum inutile Pilsbry, 1901
japonicum okinawaense, Sphaerium japonicum okinawaense Mori, 1937
jaudoiniana, Pisidium jaudoiniana Starobogatov & al, 2004 - syn of: Pisidium casertanum (Poli, 1791)
jaudouinianum, Pisidium jaudouinianum Gassies, 1855 - syn of: Pisidium casertanum (Poli, 1791)
javanum, Sphaerium javanum Van Benthem-Jutting, 1931 - syn of: Pisidium floresianum Rensch, 1934
jayanum, Sphaerium jayanum Prime, 1865 - syn of: Musculium lacustre (Müller, 1774)
jayensis, Cyclas jayensis Prime, 1852 - syn of: Musculium lacustre (Müller, 1774)
jeannoti, Sphaerium jeannoti Normand, 1854 - syn of: Musculium lacustre (Müller, 1774)
jenynsii, Pisidium jenynsii Macgillivray, 1843 - syn of: Pisidium casertanum (Poli, 1791)
jickelii, Eupera jickelii Bourguignat, 1883 - syn of: Eupera ferruginea (Krauss, 1848)
joannis, Pisidium joannis Macgillivray, 1843 - syn of: Pisidium casertanum (Poli, 1791)
johanseni, Euglesa johanseni Dolgin & Korniushin, 1994 - syn of: Pisidium hinzi Kuiper, 1975
johanseni, Musculium johanseni Tscheremnov, 1972 - syn of: Musculium lacustre (Müller, 1774)
johnsoni, Pisidium johnsoni Smith, 1882
juliae, Pisidium juliae (Stadnichenko, 1980)
juliae, Cingulipisidium juliae Stadnichenko, 1980 - syn of: Pisidium juliae (Stadnichenko, 1980)
jurievi, Musculium jurievi Zatrawkin & Moskvicheva, 1986 - syn of: Musculium lacustre (Müller, 1774)
kafanovi, Musculium kafanovi Starobogatov & Korniushin, 1986 - syn of: Musculium lacustre (Müller, 1774)
kashmirensis, Sphaerium kashmirensis Prashad, 1937
katangense, Pisidium katangense Pilsbry & Bequaert, 1927 - syn of: Pisidium kenianum Preston, 1911
kawamurai, Pisidium kawamurai Mori, 1938
kawamurai hukuiense, Pisidium kawamurai hukuiense Mori, 1938 - syn of: Pisidium kawamurai Mori, 1938
kendricki, Sphaerium kendricki Kuiper, 1983
kenianum, Pisidium kenianum Preston, 1911
khorense, Pisidium khorense (Izzatullaev & Starobogatov, 1986)
khurbaense, Pisidium khurbaense (Zatrawkin, 1987)
khurbaensis, Casertiana khurbaensis Zatrawkin, 1987 - syn of: Pisidium khurbaense (Zatrawkin, 1987)
khurdenensis, Cingulipisidium khurdenensis Starobogatov & al., 2004 - syn of: Pisidium nitidum Jenyns, 1832
khurdinensis, Euglesa khurdinensis Stadnichenko, 1984 - syn of: Pisidium nitidum Jenyns, 1832
kigeziense, Sphaerium kigeziense Preston, 1912 - syn of: Pisidium kenianum Preston, 1911
kigeziense rugosiuscula, Pisidium kigeziense rugosiuscula Kuiper, 1966 - syn of: Pisidium armillatum (Kuiper, 1966)
klappenbachi, Eupera klappenbachi Mansur & Veitenheimer-Mendes, 1975
klucharevae, Casertiana klucharevae Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
kolhymensis, Odhneripisidium kolhymensis Starobogatov & Streletzkaja, 1967 - syn of: Pisidium hibernicum Westerlund, 1894
koltschemensis, Pisidium koltschemensis Zatrawkin, 1987 - syn of: Pisidium casertanum (Poli, 1791)
koltschomensis, Pisidium koltschomensis Kantor & al, 2010 - syn of: Pisidium casertanum (Poli, 1791)
korotnevi, Pisidium korotnevi (Lindholm, 1909)
korotnevi, Pisidium korotnevi Kozhov, 1936 - syn of: Pisidium trigonoides (Dybowski, 1902)
korotnevi, Euglesa korotnevi Lindholm, 1909 - syn of: Pisidium korotnevi (Lindholm, 1909)
korotniewi minutum, Pisidium korotniewi minutum Kozhov, 1936 - syn of: Pisidium minutum (Kozhov, 1936)
korotniewii, Sphaerium korotniewii (Dybowski, 1902)
kosciusko, Pisidium kosciusko (Iredale, 1943)
kozhovi, Galileja kozhovi Starobogatov & Streletzkaja, 1967 - syn of: Pisidium nitidum Jenyns, 1832
kruglovi, Euglesa kruglovi Zatrawkin, 1987 - syn of: Pisidium khurbaense (Zatrawkin, 1987)
kuiperi, Pisidium kuiperi Dance, 1967
kuiperi, Galileja kuiperi Starobogatov & Streletzkaja, 1967 - syn of: Pisidium hibernicum Westerlund, 1894
kunashirienis, Henslowiana kunashirienis Starobogatov & al., 2004 - syn of: Pisidium lilljeborgi Clessin, 1886
kunasiriensis, Henslowiana kunasiriensis (Mori, 1938)
kungejense, Odhneripisidium kungejense Butenko & Starobogatov, 1967 - syn of: Pisidium stewarti Preston, 1909
kurilica, Costopisidium kurilica Starobogatov & Budnikova, 1985 - syn of: Pisidium lilljeborgi Clessin, 1886
kurodai, Eupisidium kurodai Mori, 1938 - syn of: Pisidium lilljeborgi Clessin, 1886
kurtzii, Pisidium kurtzii Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
lacusedes, Sphaerium lacusedes Iredale, 1943
lacustre, Musculium lacustre (Müller, 1774)
lacustre, Pisidium lacustre Clessin, 1873 - syn of: Pisidium lilljeborgi Clessin, 1886
lacustris, Cyclas lacustris Draparnaud, 1805 - syn of: Sphaerium nucleus (Studer, 1820)
lacustris septentrionalis, Musculium lacustris septentrionalis Clessin, 1878 - syn of: Musculium lacustre (Müller, 1774)
lamuanus, Baicalipisidium lamuanus Slugina & al., 1994 - syn of: Pisidium raddei (Dybowski, 1902)
landeroini, Pisidium landeroini Germain, 1909 - syn of: Pisidium subtruncatum Malm, 1855
langleyanum, Pisidium langleyanum Melvill & Ponsonby, 1891
lapponica cor, Galileja lapponica cor Starobogatov & Streletzkaja, 1967 - syn of: Pisidium obtusale (Lamarck, 1818)
lapponicus, Cyclocalyx lapponicus Clessin, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
lasmampsis, Sphaerium lasmampsis Rafinesque, 1820 - syn of: Sphaerium simile Say, 1817
latchfordi, Pisidium latchfordi Sterki, 1916 - syn of: Pisidium nitidum Jenyns, 1832
latiumbonata, Cyclocalyx latiumbonata Korniushin, 1991 - syn of: Pisidium personatum Malm, 1855
lauricochae, Sphaerium lauricochae Philippi, 1869
leachii, Cyclas leachii Villa, 1841 - syn of: Sphaerium cornea (Linnaeus, 1767)
lebruni, Pisidium lebruni Mabille, 1884
lenticula, Sphaerium lenticula Prime, 1862 - syn of: Musculium lacustre (Müller, 1774)
lenticularis, Pisidium lenticularis Normand, 1844 - syn of: Pisidium casertanum (Poli, 1791)
lermondi, Pisidium lermondi Sterki, 1913 - syn of: Pisidium nitidum Jenyns, 1832
letourneuxi, Eupera letourneuxi Bourguignat, 1883 - syn of: Eupera ferruginea (Krauss, 1848)
levinodis, Sphaerium levinodis Westerlund, 1876 - syn of: Sphaerium cornea (Linnaeus, 1767)
levissimum, Pisidium levissimum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
lhotelleriei, Eupera lhotelleriei Pallary, 1924 - syn of: Eupera ferruginea (Krauss, 1848)
likharevi, Pisidium likharevi Korniushin, 1991 - syn of: Pisidium casertanum (Poli, 1791)
likharevi, Musculium likharevi Zatrawkin & Moskvicheva, 1986 - syn of: Musculium lacustre (Müller, 1774)
lilljeborgi, Pisidium lilljeborgi Clessin, 1886
lilljeborgi cristatum, Pisidium lilljeborgi cristatum Sterki, 1928 - syn of: Pisidium lilljeborgi Clessin, 1886
limanicum, Paramusculium limanicum (Moskvicheva, 1986)
limosum, Pisidium limosum Gassies, 1849 - syn of: Pisidium casertanum (Poli, 1791)
limpidum, Pisidium limpidum Sterki, 1922 - syn of: Pisidium nitidum Jenyns, 1832
lindholmi, Odhneripisidium lindholmi Starobogatov & Streletzkaja, 1967 - syn of: Pisidium hibernicum Westerlund, 1894
lineatum, Sphaerium lineatum Sterki, 1910 - syn of: Sphaerium simile Say, 1817
littoralis, Cyclas littoralis Prime, 1865 - syn of: Eupera bahiensis (Spix, 1827)
ljovuschkini, Pisidium ljovuschkini Starobogatov, 1962 - syn of: Pisidium ljovushkini (Starobogatov, 1962)
ljovushkini, Pisidium ljovushkini (Starobogatov, 1962)
ljovushkini, Euglesa ljovushkini Starobogatov, 1962 - syn of: Pisidium ljovushkini (Starobogatov, 1962)
llanquihuense, Pisidium llanquihuense Ituarte, 1999
loveni, Pisidium loveni Clessin, 1890 - syn of: Pisidium casertanum (Poli, 1791)
lucidum, Pisidium lucidum Sterki, 1923 - syn of: Pisidium casertanum (Poli, 1791)
lumstenianum, Pisidium lumstenianum Forbes, 1838 - syn of: Pisidium casertanum (Poli, 1791)
luridum, Sphaerium luridum Von Martens, 1900 - syn of: Sphaerium triangulare (Say, 1829)
lutea, Cyclas lutea Anton, 1838 - syn of: Sphaerium cornea (Linnaeus, 1767)
luteolum, Pisidium luteolum Herrington, 1954 - syn of: Pisidium nitidum Jenyns, 1832
maaseni, Pisidium maaseni Kuiper, 1987
maasseni, Pisidium maasseni Kuiper, 1987 - syn of: Pisidium maaseni Kuiper, 1987
macgillivrayi, Sphaerium macgillivrayi Smith, 1882 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
maculata, Cyclas maculata Anton, 1837 - syn of: Eupera bahiensis (Spix, 1827)
maculata, Cyclas maculata Morelet, 1851 - syn of: Eupera singleyi (Pilsbry, 1889)
maculatum, Pisidium maculatum Dybowski, 1902 - syn of: Pisidium dilatatum Westerlund, 1897
magellanicum, Pisidium magellanicum (Dall, 1908)
major, Sphaerium major Sowerby † (FOSSIL)
mamillanum, Pisidium mamillanum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
mamillanum, Sphaerium mamillanum Westerlund, 1871
mamillatum tomentosum, Sphaerium mamillatum tomentosum Westerlund, 1871 - syn of: Sphaerium cornea (Linnaeus, 1767)
marci, Pisidium marci Sterki, 1909 - syn of: Pisidium subtruncatum Malm, 1855
marisminus, Sphaerium marisminus Starobogatov & Korniushin, 1986
maroccanum, Sphaerium maroccanum Pallary, 1898 - syn of: Musculium lacustre (Müller, 1774)
maroccanum, Pisidium maroccanum Pallary, 1936 - syn of: Pisidium casertanum (Poli, 1791)
martensi, Sphaerium martensi Pilsbry, 1899
masakaense, Pisidium masakaense Kuiper, 1966 - syn of: Pisidium ovampicum Ancey, 1890
mausseneti, Pisidium mausseneti Laubriere, 1886 † (FOSSIL)
mediafricana, Eupera mediafricana Pilsbry & Bequaert, 1927 - syn of: Eupera ferruginea (Krauss, 1848)
mediafricana etheriarum, Eupera mediafricana etheriarum Pilsbry & Bequaert, 1927 - syn of: Eupera sturanyi (Waagen, 1905)
medlicottianum, Pisidium medlicottianum Hislop, 1859 † (FOSSIL)
meierbrooki, Pisidium meierbrooki Kuiper & Hinz, 1983
meridionalis, Eupera meridionalis (Prime, 1861)
mexicanum, Sphaerium mexicanum (Dall, 1905)
milium, Pisidium milium Held, 1836
milium pseudosphaerium, Pisidium milium pseudosphaerium Favre, 1927 - syn of: Pisidium pseudosphaerium Favre, 1927
minima, Cyclas minima Studer, 1820 - syn of: Pisidium ventricosum Prime, 1851
minor, Cyclas minor Mighels & Adams, 1842 - syn of: Pisidium casertanum (Poli, 1791)
minus, Pisidium minus Stimpson, 1851 - syn of: Pisidium casertanum (Poli, 1791)
minusculum, Pisidium minusculum Sterki, 1906 - syn of: Pisidium nitidum Jenyns, 1832
minutum, Pisidium minutum (Kozhov, 1936)
miocaenicum, Musculium miocaenicum Neubauer & M. Harzhauser, 2014 † (FOSSIL)
mionicense, Pisidium mionicense Neubauer, M. Harzhauser & Mandic, 2017 † (FOSSIL)
mirum, Pisidium mirum Sterki, 1923 - syn of: Pisidium casertanum (Poli, 1791)
mitchelli, Pisidium mitchelli Prashad, 1925
mitjidense, Pisidium mitjidense Kuiper, 1966 - syn of: Pisidium personatum Malm, 1855
miyadii, Sphaerium miyadii Mori, 1933
miyadii, Pisidium miyadii Starobogatov & al, 2004 - syn of: Pisidium casertanum (Poli, 1791)
modioliforme, Eupera modioliforme (Anton, 1837)
moitessierianum, Pisidium moitessierianum Paladilhe, 1866
monas, Pisidium monas Sterki, 1901 - syn of: Pisidium simplex Sterki, 1905
mongolica, Pisidium mongolica (Slugina & Starobogatov, 2001)
mongolica, Euglesa mongolica Slugina & Starobogatov, 2001 - syn of: Pisidium mongolica (Slugina & Starobogatov, 2001)
montana, Casertiana montana Krivosheina, 1976 - syn of: Pisidium casertanum (Poli, 1791)
montanum, Sphaerium montanum Tapparone-Canefri, 1889
montigenum, Pisidium montigenum Kuiper, 1966
moquiniana, Eupera moquiniana Bourguignat, 1854 - syn of: Eupera bahiensis (Spix, 1827)
morii, Musculium morii Starobogatov & Budnikova, 1985 - syn of: Sphaerium miyadii Mori, 1933
morini, Sphaerium morini Servain, 1882 - syn of: Sphaerium rivicola Leach, 1815
mouchousii, Pisidium mouchousii Companyo, 1863 - syn of: Pisidium casertanum (Poli, 1791)
moussoni, Musculium moussoni Starobogatov & al., 2004 - syn of: Musculium lacustre (Müller, 1774)
mucronatum, Pisidium mucronatum Westerlund, 1876 - syn of: Pisidium subtruncatum Malm, 1855
mussolinii, Eupera mussolinii Piersanti, 1940 - syn of: Eupera ferruginea (Krauss, 1848)
neglectum, Pisidium neglectum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
neglectum corpulentum, Pisidium neglectum corpulentum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
nepeanensis, Cyclas nepeanensis Lesson, 0 - syn of: Corbiculina australis (Deshayes, 1830)
nevadense, Pisidium nevadense Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791)
nevadense modicum, Pisidium nevadense modicum Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791)
nevillianum, Pisidium nevillianum Theobald, 1876
nipponense, Pisidium nipponense Kuroda, 1928
nitida, Cyclas nitida Mighels & Adams, 1842 - syn of: Pisidium adamsi Stimpson, 1851
nitidum, Sphaerium nitidum Clessin, 1976
nitidum, Pisidium nitidum Jenyns, 1832
nitidum, Sphaerium nitidum Stadnichenko, 1984 - syn of: Sphaerium nucleus (Studer, 1820)
nitidum crassa, Pisidium nitidum crassa Stelfox, 1918 - syn of: Pisidium nitidum Jenyns, 1832
nitidum fedderseni, Pisidium nitidum fedderseni Westerlund, 1890 - syn of: Pisidium nitidum Jenyns, 1832
nitidum splendens, Pisidium nitidum splendens Baudon, 1863 - syn of: Pisidium nitidum Jenyns, 1832
nordenskioldi, Pisidium nordenskioldi Westerlund, 1876 - syn of: Pisidium lilljeborgi Clessin, 1886
nordenskioldi semenkevitschi, Pisidium nordenskioldi semenkevitschi Lindholm, 1909 - syn of: Pisidium lilljeborgi Clessin, 1886
notatum, Pisidium notatum Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
notophthalmi, Pisidium notophthalmi Sterki, 1922 - syn of: Pisidium conventus Clessin, 1877
novaezelandiae, Sphaerium novaezelandiae (Deshayes, 1853)
novaezelandiae, Cyclocalyx novaezelandiae (Prime, 1862)
novaezelandiae, Pisidium novaezelandiae Prime, 1862 - syn of: Cyclocalyx novaezelandiae (Prime, 1862)
noveboracense, Pisidium noveboracense Prime, 1858 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense alabamense, Pisidium noveboracense alabamense Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense elevatum, Pisidium noveboracense elevatum Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense expansum, Pisidium noveboracense expansum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense fraternum, Pisidium noveboracense fraternum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense lineatum, Pisidium noveboracense lineatum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense proclive, Pisidium noveboracense proclive Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
noveboracense quadrulum, Pisidium noveboracense quadrulum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
novobritanniae, Pisidium novobritanniae Kuiper, 1967
novoleonis, Musculium novoleonis Pilsbry, 1904 - syn of: Sphaerium subtransversum Prime, 1860
novum, Pisidium novum Paulucci, 1880 - syn of: Pisidium amnicum (Müller, 1774)
nucleus, Sphaerium nucleus (Studer, 1820)
nucleus, Pisidium nucleus Benoit, 1893 - syn of: Pisidium casertanum (Poli, 1791)
nundinalis, Sphaerinova nundinalis Iredale, 1943 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
nyanzae, Sphaerium nyanzae (Smith, 1892)
obensis, Pisidium obensis Anistratenko & Starobogatov, 1991 - syn of: Pisidium casertanum (Poli, 1791)
obliqua, Pisidium obliqua Lamarck, 1818 - syn of: Pisidium amnicum (Müller, 1774)
obliquatum, Pisidium obliquatum Von Martens, 1874 - syn of: Pisidium casertanum (Poli, 1791)
obscurum, Pisidium obscurum Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
observationis, Pisidium observationis (Pilsbry, 1911)
obtusalastrum, Pisidium obtusalastrum Woodward, 1921 - syn of: Pisidium obtusale (Lamarck, 1818)
obtusale, Pisidium obtusale (Lamarck, 1818)
obtusale, Pisidium obtusale Pfeiffer, 1821 - syn of: Pisidium ventricosum Prime, 1851
obtusale magnificum, Pisidium obtusale magnificum Westerlund, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
obtusale solidum, Pisidium obtusale solidum Westerlund, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
obtusalis, Cyclas obtusalis Nilsson, 1822 - syn of: Pisidium henslowanum (Sheppard, 1825)
obtusatum, Pisidium obtusatum Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791)
occidentale, Sphaerium occidentale (Lewis, 1856)
occidentale, Cyclas occidentale Lewis, 1856 - syn of: Sphaerium occidentale (Lewis, 1856)
occidentale, Pisidium occidentale Newcomb, 1861 - syn of: Pisidium casertanum (Poli, 1791)
occidentale amphibium, Sphaerium occidentale amphibium Sterki, 1907 - syn of: Sphaerium occidentale (Lewis, 1856)
occultus, Kurilipisidium occultus Prozorova, 1996 - syn of: Pisidium conventus Clessin, 1877
ocloya, Pisidium ocloya Ituarte, 2005
okinawaense, Sphaerium japonicum okinawaense Mori
omaguaca, Pisidium omaguaca Ituarte, 2005
orcasense, Pisidium orcasense Sterki, 1922 - syn of: Pisidium casertanum (Poli, 1791)
orientale, Pisidium orientale (Prozorova, 1995)
orientale, Amuropisidium orientale Prozorova, 1995 - syn of: Pisidium orientale (Prozorova, 1995)
ostroumovi, Henslowiana ostroumovi Pirogov & Starobogatov, 1974 - syn of: Pisidium henslowanum (Sheppard, 1825)
ovale, Sphaerium ovale Bourguignat, 1864 - syn of: Musculium lacustre (Müller, 1774)
ovale, Sphaerium ovale Férussac, 1807 - syn of: Sphaerium nucleus (Studer, 1820)
ovalis, Cyclas ovalis Nilsson, 1832 - syn of: Pisidium obtusale (Lamarck, 1818)
ovalis, Cyclas ovalis Prime, 1853 - syn of: Sphaerium occidentale (Lewis, 1856)
ovampicum, Pisidium ovampicum Ancey, 1890
ovata, Eupera ovata (Mandahl-Barth, 1954)
ovata, Cyclocalyx ovata Prozorova, 1988 - syn of: Pisidium obtusale (Lamarck, 1818)
ovatotrigonum, Pisidium ovatotrigonum (Krivosheina, 1979)
ovatotrigonum, Neopisidium ovatotrigonum Krivosheina, 1979 - syn of: Pisidium ovatotrigonum (Krivosheina, 1979)
overi, Pisidium overi Sterki, 1913 - syn of: Pisidium subtruncatum Malm, 1855
overiapicula, Pisidium overiapicula Herrington, 1954 - syn of: Pisidium nitidum Jenyns, 1832
ovum, Pisidium ovum Sterki, 1916 - syn of: Pisidium ventricosum Prime, 1851
pallidum, Pisidium pallidum Clessin, 1884 - syn of: Pisidium subtruncatum Malm, 1855
paludosum, Pisidium paludosum Hutton, 1849
palustris, Pisidium palustris Draparnaud, 1801 - syn of: Pisidium amnicum (Müller, 1774)
pamirense, Odhneripisidium pamirense Izzatullaev & Starobogatov, 1986
parallelodon, Pseudeupera parallelodon Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
paranensis, Byssanodonta paranensis D'Orbigny, 1846
parasiticum, Pisum parasiticum Deshayes, 1854 - syn of: Eupera ferruginea (Krauss, 1848)
parenzani, Pisidium parenzani Gambetta, 1930
parodoxum, Pisidium parodoxum Sterki, 1922 - syn of: Pisidium casertanum (Poli, 1791)
partumeium, Sphaerium partumeium Say, 1822
parvula, Eupera parvula (Prime, 1865)
parvulum, Pisidium parvulum Clessin, 1873 - syn of: Pisidium hibernicum Westerlund, 1894
parvulum, Pisidium parvulum Westerlund, 1873 - syn of: Pisidium hibernicum Westerlund, 1894
parvulum, Pisidium parvulum Woodward, 1913 - syn of: Pisidium moitessierianum Paladilhe, 1866
parvulum martensi, Pisidium parvulum martensi Westerlund, 1873 - syn of: Pisidium hibernicum Westerlund, 1894
parvum, Pisidium parvum Mori, 1938
patagonicum, Pisidium patagonicum (Pilsbry, 1911)
patella, Sphaerium patella Gould, 1850
pauliani, Pisidium pauliani Kuiper, 1953 - syn of: Pisidium johnsoni Smith, 1882
pauperculum, Pisidium pauperculum Sterki, 1896 - syn of: Pisidium nitidum Jenyns, 1832
pauperculum crystalense, Pisidium pauperculum crystalense Sterki, 1916 - syn of: Pisidium nitidum Jenyns, 1832
pauperculum nylanderi, Pisidium pauperculum nylanderi Sterki, 1898 - syn of: Pisidium nitidum Jenyns, 1832
peipsi, Pisidium peipsi (Timm, 1976)
peipsi, Euglesa peipsi Timm, 1976 - syn of: Pisidium peipsi (Timm, 1976)
perezii, Cyclas perezii Prime, 1870 - syn of: Musculium lacustre (Müller, 1774)
personatum, Pisidium personatum Malm, 1855
pharaonum, Sphaerium pharaonum Pallary, 1909 - syn of: Sphaerium hartmanni Jickeli, 1874
pictorum, Pisidium pictorum Prime, 1870 - syn of: Pisidium henslowanum (Sheppard, 1825)
pipoense, Pisidium pipoense Ituarte, 2000
pirogovi, Pisidium pirogovi (Starobogatov, 1984)
pirothi, Pisidium pirothi Jickeli, 1881
pittieri, Eupera pittieri Von Martens, 1900
planatum, Pisidium planatum Ancey, 1906 - syn of: Pisidium casertanum (Poli, 1791)
planum, Pisidium planum Prime, 1870 - syn of: Pisidium casertanum (Poli, 1791)
platensis, Eupera platensis Doello-Jurado, 1921
platyponderosa, Pisidium platyponderosa Korniushin, 1991 - syn of: Pisidium casertanum (Poli, 1791)
platyvalva, Pisidium platyvalva Slugina & Starobogatov, 1994
plenilunium, Pisidium plenilunium (Melvill & Standen, 1907)
plenum, Pisidium plenum Prime, 1862 - syn of: Pisidium casertanum (Poli, 1791)
plumbeus, Cyclas plumbeus Villa, 1841 - syn of: Sphaerium cornea (Linnaeus, 1767)
politum, Pisidium politum Sterki, 1895 - syn of: Pisidium casertanum (Poli, 1791)
politum decorum, Pisidium politum decorum Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
polonica, Euglesa polonica Anistratenko & Starobogatov, 1990 - syn of: Pisidium henslowanum (Sheppard, 1825)
poltavicum, Cingulipisidium poltavicum Korniushin, 1991 - syn of: Pisidium subtruncatum Malm, 1855
polytimeticum, Odhneripisidium polytimeticum Izzatullaev & Starobogatov, 1986 - syn of: Pisidium annandalei Prashad, 1925
ponderi, Pisidium ponderi Korniushin, 2000
ponderosum, Pisidium ponderosum Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
popovae, Pisidium popovae Starobogatov & Streletzkaja, 1967
portoricensis, Eupera portoricensis (Prime, 1861)
prashadi, Neopisidium prashadi Odhner, 1937 - syn of: Pisidium stewarti Preston, 1909
prasongi, Pisidium prasongi Kuiper, 1974
primei, Eupera primei Klappenbach, 1967
problematicum, Sphaerium problematicum Gabriel, 1939
prognathum, Pisidium prognathum Sterki, 1922 - syn of: Pisidium nitidum Jenyns, 1832
prominulum, Sphaerium prominulum (Reuss, 1849) † (FOSSIL)
proximum, Pisidium proximum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
pseudosphaerium, Pisidium pseudosphaerium Favre, 1927
pulchella, Pera pulchella Leach, 1852 - syn of: Pisidium casertanum (Poli, 1791)
pulchellum, Pisidium pulchellum Bofill & Haas, 1920 - syn of: Pisidium personatum Malm, 1855
pulchellum, Cyclas pulchellum D'Orbigny, 1835 - syn of: Pisidium dorbignyi (Clessin, 1879)
pulchellum, Pisidium pulchellum Forbes & Hanley, 1849 - syn of: Pisidium casertanum (Poli, 1791)
pulchellum, Pisidium pulchellum Jenyns, 1831
pulchellum kunashiriense, Pisidium pulchellum kunashiriense Mori, 1938 - syn of: Pisidium lilljeborgi Clessin, 1886
pulchellum kunasiriense, Pisidium pulchellum kunasiriense Mori, 1938 - syn of: Henslowiana kunasiriensis (Mori, 1938)
pulchricingulata, Cingulipisidium pulchricingulata Starobogatov & Budnikova, 1985 - syn of: Pisidium nitidum Jenyns, 1832
puncatum simplex, Pisidium puncatum simplex Sterki, 1905 - syn of: Pisidium simplex Sterki, 1905
punctatum, Pisidium punctatum Sterki, 1895 - syn of: Pisidium moitessierianum Paladilhe, 1866
punctatum armatum, Pisidium punctatum armatum Sterki, 1905 - syn of: Pisidium moitessierianum Paladilhe, 1866
punctiferum, Pisidium punctiferum Guppy, 1867
pusillum, Pisidium pusillum (Turton, 1819)
pusillum, Pisidium pusillum Nobre, 1886 - syn of: Pisidium personatum Malm, 1855
pusillum, Musculium pusillum Sterki, 1910 - syn of: Musculium lacustre (Müller, 1774)
pusillum, Pisidium pusillum Woodward, 1913 - syn of: Pisidium nitidum Jenyns, 1832
pygmaea, Cyclas pygmaea Adams, 1849 - syn of: Pisidium jamaicense Prime, 1865
quadrangula, Tetragonocyclas quadrangula Starobogatov & Budnikova, 1985 - syn of: Pisidium milium Held, 1836
queenslandicum, Sphaerium queenslandicum Smith, 1882 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
quirindi, Sphaerium quirindi Korniushin, 2000
raddei, Pisidium raddei (Dybowski, 1902)
radiata, Nucleocyclas radiata Westerlund, 1897 - syn of: Sphaerium cornea (Linnaeus, 1767)
radiatum, Sphaerium radiatum Korniushin, 1996 - syn of: Sphaerium nucleus (Studer, 1820)
ranae, Sphaerium ranae Van Benthem-Jutting, 1927
randolphii, Pisidium randolphii Roper, 1896 - syn of: Pisidium casertanum (Poli, 1791)
raymondi, Sphaerium raymondi Cooper, 1892 - syn of: Musculium lacustre (Müller, 1774)
recalvum, Pisidium subtruncatum recalvum Kuiper
rectidens, Sphaerium rectidens Starobogatov & Streletzkaja, 1967 - syn of: Sphaerium nitidum Clessin, 1976
regulare, Sphaerium regulare Mandahl-Barth, 1954
regulare, Pisidium regulare Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
resartum, Pisidium resartum Prime, 1862 - syn of: Pisidium casertanum (Poli, 1791)
reticulatum, Pisidium reticulatum Kuiper, 1966
retusum, Pisidium retusum Prime, 1860 - syn of: Pisidium casertanum (Poli, 1791)
rhomboideum, Sphaerium rhomboideum Say, 1822
rivale, Sphaerium rivale Moquin-Tandon, 1855 - syn of: Sphaerium cornea (Linnaeus, 1767)
rivicola, Sphaerium rivicola Leach, 1815
rivicola sabulicola, Cyclas rivicola sabulicola Krynicki, 1837 - syn of: Sphaerium rivicola Leach, 1815
rivulare, Pisidium rivulare Clessin, 1879 - syn of: Pisidium casertanum (Poli, 1791)
roperi, Pisidium roperi Sterki, 1898 - syn of: Pisidium casertanum (Poli, 1791)
rosacea, Cyclas rosacea Prime, 1852 - syn of: Musculium lacustre (Müller, 1774)
rosaceum fuliginosum, Musculium rosaceum fuliginosum Sterki, 1916 - syn of: Musculium lacustre (Müller, 1774)
roseum, Pisidium roseum Scholtz, 1843 - syn of: Pisidium casertanum (Poli, 1791)
rotundatum, Pisidium rotundatum Pallary, 1921 - syn of: Pisidium casertanum (Poli, 1791)
rotundatum, Pisidium rotundatum Prime, 1852
rotundicostata, Galileja rotundicostata Starobogatov & Streletzkaja, 1967 - syn of: Pisidium nitidum Jenyns, 1832
rotundotrigona, Pseudeupera rotundotrigona Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
rotundovata, Casertiana rotundovata Krivosheina, 1976 - syn of: Pisidium casertanum (Poli, 1791)
rotundum, Pisidium rotundum Cessac, 1855 - syn of: Pisidium casertanum (Poli, 1791)
rowelli, Pisidium rowelli Sterki, 1903 - syn of: Pisidium casertanum (Poli, 1791)
rubellum, Pisidium rubellum Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
rubrum, Pisidium rubrum Prime, 1862 - syn of: Pisidium casertanum (Poli, 1791)
rugosulum, Pisidium rugosulum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
ruut, Euglesa ruut Timm, 1976 - syn of: Pisidium lilljeborgi Clessin, 1886
ruwenzoriense, Pisidium ruwenzoriense Germain, 1911 - syn of: Pisidium casertanum (Poli, 1791)
ryckholti, Cyclas ryckholti Normand, 1844 - syn of: Musculium lacustre (Müller, 1774)
ryckholtii mucronulata, Cyclas ryckholtii mucronulata Moquin-Tandon, 1855 - syn of: Musculium lacustre (Müller, 1774)
sanguinichristi, Pisidium sanguinichristi Taylor, 1987
sargenti, Pisidium sargenti Sterki, 1901 - syn of: Pisidium adamsi Stimpson, 1851
scholtzi, Pisidium scholtzi Clessin, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
scholtzi lapponicum, Pisidium scholtzi lapponicum Westerlund, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
scutellatum, Pisidium scutellatum Sterki, 1896 - syn of: Pisidium lilljeborgi Clessin, 1886
scutulatum, Pisidium scutulatum Sterki, 1906
sebetia, Sphaerium sebetia Costa, 1830 - syn of: Bornia sebetia (Costa, 1830)
securidens, Henslowiana securidens Krivosheina, 1978 - syn of: Pisidium henslowanum (Sheppard, 1825)
securis, Sphaerium securis Prime, 1852
shadini, Pisidium shadini Johansen, 1937 - syn of: Pisidium nitidum Jenyns, 1832
sibiricum, Pisidium sibiricum Westerlund, 1876 - syn of: Pisidium lilljeborgi Clessin, 1886
silesiaca, Roseana silesiaca Korniushin, 1991 - syn of: Pisidium globulare Westerlund & Clessin, 1873
similas, Cyclas similas Burch, 1975 - syn of: Sphaerium simile Say, 1817
simile, Sphaerium simile Say, 1817
simoni, Eupera simoni (Jousseaume, 1889)
simoni, Limosina simoni Jousseaume, 1889 - syn of: Eupera simoni (Jousseaume, 1889)
simplex, Pisidium simplex Sterki, 1905
singleyi, Eupera singleyi (Pilsbry, 1889)
singleyi, Limosina singleyi Pilsbry, 1889 - syn of: Eupera singleyi (Pilsbry, 1889)
sinuatum, Pisidium sinuatum Bourguignat, 1850 - syn of: Pisidium casertanum (Poli, 1791)
sogdianum, Odhneripisidium sogdianum Izzatullaev & Starobogatov, 1986 - syn of: Pisidium annandalei Prashad, 1925
solidum, Sphaerium solidum Normand, 1844
solidus, Cyclocalyx solidus Westerlund, 1873 - syn of: Pisidium obtusale (Lamarck, 1818)
solitarium, Pisidium solitarium Prime, 1870 - syn of: Pisidium henslowanum (Sheppard, 1825)
solodovnikovi, Pisidium solodovnikovi Stadnichenko, 1983 - syn of: Pisidium casertanum (Poli, 1791)
sordellianum, Pisidium sordellianum Pini, 1876 - syn of: Pisidium casertanum (Poli, 1791)
sorense, Sphaerium sorense Dybowski, 1902 - syn of: Sphaerium cornea (Linnaeus, 1767)
sphaericum, Pisidium sphaericum Sterki, 1912 - syn of: Pisidium adamsi Stimpson, 1851
splendidulum, Pisidium splendidulum Sterki, 1898 - syn of: Pisidium nitidum Jenyns, 1832
splendidulum corneolum, Pisidium splendidulum corneolum Sterki, 1916 - syn of: Pisidium nitidum Jenyns, 1832
splendidulum miliastrum, Pisidium splendidulum miliastrum Sterki, 1916 - syn of: Pisidium nitidum Jenyns, 1832
splendidulum novangliae, Pisidium splendidulum novangliae Sterki, 1916 - syn of: Pisidium nitidum Jenyns, 1832
stabileii, Pisidium stabileii Prime, 1870 - syn of: Pisidium casertanum (Poli, 1791)
stagnicola, Cyclas stagnicola Lamarck, 1818 - syn of: Sphaerium cornea (Linnaeus, 1767)
starobogatovi, Pseudeupera starobogatovi Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
steenbuchi, Cyclas steenbuchi Møller, 1842 - syn of: Pisidium casertanum (Poli, 1791)
steini, Sphaerium steini Schmidt, 1858 - syn of: Musculium lacustre (Müller, 1774)
stelfoxi, Europisidium stelfoxi Pirogov & Starobogatov, 1976 - syn of: Pisidium tenuilineatum Stelfox, 1918
sterkianum, Pisidium sterkianum Pilsbry, 1897
stewarti, Pisidium stewarti Preston, 1909
stoliczkanum, Pisidium stoliczkanum Prashad, 1933
streatori, Pisidium streatori Sterki, 1901 - syn of: Pisidium casertanum (Poli, 1791)
strengii, Pisidium strengii Sterki, 1902 - syn of: Pisidium casertanum (Poli, 1791)
striatella, Cyclas striatella Prime, 1865 - syn of: Eupera bahiensis (Spix, 1827)
striatinum, Sphaerium striatinum Lamarck, 1818
stricta, Cyclas stricta Normand, 1854 - syn of: Musculium lacustre (Müller, 1774)
strictum, Musculium strictum Clessin, 1877 - syn of: Musculium lacustre (Müller, 1774)
striggillum, Pisidium striggillum Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791)
stuhlmanni, Sphaerium stuhlmanni Von Martens, 1897
sturanyi, Eupera sturanyi (Waagen, 1905)
sturanyi, Clessinella sturanyi Waagen, 1905 - syn of: Eupera sturanyi (Waagen, 1905)
subalta, Pseudeupera subalta Starobogatov & Budnikova, 1985 - syn of: Pisidium subtruncatum Malm, 1855
subcapense, Sphaerium subcapense Bourguignat, 1883 - syn of: Sphaerium hartmanni Jickeli, 1874
subcinerea, Casertiana subcinerea Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
subcuneata, Pseudeupera subcuneata Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
subdepressa, Casertiana subdepressa Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
subfossarina, Casertiana subfossarina Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
subgranum, Pisidium subgranum (Slugina & Starobogatov, 1994)
subgranum, Euglesa subgranum Slugina & Starobogatov, 1994 - syn of: Pisidium subgranum (Slugina & Starobogatov, 1994)
subhenslowana, Henslowiana subhenslowana Krivosheina, 1978 - syn of: Pisidium henslowanum (Sheppard, 1825)
subhibernica, Hiberneuglesa subhibernica Starobogatov & Korniushin, 1989 - syn of: Pisidium hibernicum Westerlund, 1894
subinflata, Pisidium subinflata Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791)
subplanata, Casertiana subplanata Starobogatov & Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791)
subponderosa, Pisidium subponderosa Krivosheina, 1976 - syn of: Pisidium casertanum (Poli, 1791)
subrotundatum, Sphaerium subrotundatum Locard, 1893 - syn of: Musculium lacustre (Müller, 1774)
subrotundum, Pisidium subrotundum Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791)
subrotundum canadense, Pisidium subrotundum canadense Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
subrotundum olofi, Pisidium subrotundum olofi Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
subrotundum pumilum, Pisidium subrotundum pumilum Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
subsolidum, Sphaerium subsolidum Clessin, 1888 - syn of: Sphaerium solidum Normand, 1844
subterranea, Euglesa subterranea Zhadin, 1932 - syn of: Pisidium subterraneum (Zhadin, 1932)
subterraneum, Pisidium subterraneum (Zhadin, 1932)
subtetragona, Tetragonocyclas subtetragona Starobogatov & Budnikova, 1985 - syn of: Pisidium milium Held, 1836
subtilestriatum, Pisidium subtilestriatum Lindholm, 1909 - syn of: Pisidium dilatatum Westerlund, 1897
subtilis, Kurilipisidium subtilis Prozorova, 1996 - syn of: Pisidium conventus Clessin, 1877
subtransversum, Sphaerium subtransversum Prime, 1860
subtruncatum, Pisidium subtruncatum Malm, 1855
subtruncatum altum, Pisidium subtruncatum altum Mori, 1938 - syn of: Pisidium subtruncatum Malm, 1855
subtruncatum recalvum, Pisidium subtruncatum recalvum Kuiper, 1960
subtruncatum turgidum, Pisidium subtruncatum turgidum Westerlund, 1873 - syn of: Pisidium subtruncatum Malm, 1855
succineum, Pisidium succineum Sterki, 1907 - syn of: Pisidium casertanum (Poli, 1791)
suecica, Pisidium henslowanum suecica Clessin
sulcatum, Sphaerium sulcatum Lamarck, 1818 - syn of: Sphaerium simile Say, 1817
sulcatum albescens, Sphaerium sulcatum albescens Sterki, 1916 - syn of: Sphaerium simile Say, 1817
sulcatum dakotense, Sphaerium sulcatum dakotense Sterki, 1930 - syn of: Sphaerium simile Say, 1817
sulcatum decisum, Sphaerium sulcatum decisum Brooks & Herrington, 1944 - syn of: Sphaerium simile Say, 1817
sulcatum insigne, Sphaerium sulcatum insigne Sterki, 1916 - syn of: Sphaerium simile Say, 1817
sulcatum obscurum, Sphaerium sulcatum obscurum Brooks & Herrington, 1944 - syn of: Sphaerium simile Say, 1817
sulcatum planatum, Sphaerium sulcatum planatum Sterki, 1916 - syn of: Sphaerium simile Say, 1817
sulcatum sculptum, Sphaerium sulcatum sculptum Brooks & Herrington, 1944 - syn of: Sphaerium simile Say, 1817
sumatranum, Pisidium sumatranum Von Martens, 1897
sundanum, Pisidium sundanum Rensch, 1934
superius, Pisidium superius Sterki, 1907 - syn of: Pisidium casertanum (Poli, 1791)
supiniformis, Cymatocyclas supiniformis Pirogov & Starobogatov, 1974 - syn of: Pisidium subtruncatum Malm, 1855
supinum, Pisidium supinum Schmidt, 1850
supinum, Pisidium supinum Woodward, 1913 - syn of: Pisidium moitessierianum Paladilhe, 1866
taiwanense, Pisidium taiwanense Kuroda, 1941 - syn of: Pisidium casertanum (Poli, 1791)
taiwanense tienchiense, Pisidium taiwanense tienchiense Chang & Lin, 1978 - syn of: Pisidium casertanum (Poli, 1791)
talievi, Galileja talievi Starobogatov & Streletzkaja, 1967 - syn of: Pisidium subtruncatum Malm, 1855
tanuga, Euglesa tanuga Timm, 1976 - syn of: Pisidium nitidum Jenyns, 1832
taraguyense, Pisidium taraguyense Ituarte, 2000
targionianum, Pisidium targionianum Paulucci, 1880 - syn of: Pisidium casertanum (Poli, 1791)
tasmanicum, Pisidium tasmanicum Tenison-Woods, 1876
tatiarae, Sphaerium tatiarae (Cotton & Godfrey, 1938)
teilhardi, Sphaerium teilhardi Pallary, 1909 - syn of: Sphaerium hartmanni Jickeli, 1874
tenellum, Pisidium tenellum Agassiz, 1850 - syn of: Pisidium casertanum (Poli, 1791)
tenue, Sphaerium tenue Mozley, 1938 - syn of: Sphaerium nitidum Clessin, 1976
tenuicardo, Pseudeupera tenuicardo Krivosheina, 1978 - syn of: Pisidium subtruncatum Malm, 1855
tenuicostulata, Cymatocyclas tenuicostulata Krivosheina, 1978 - syn of: Pisidium supinum Schmidt, 1850
tenuilineatum, Pisidium tenuilineatum Stelfox, 1918
tenuis, Cyclas tenuis Prime, 1852 - syn of: Sphaerium nitidum Clessin, 1976
tenuisculpta, Euglesa tenuisculpta Timm, 1976 - syn of: Pisidium subtruncatum Malm, 1855
tenuissimum, Pisidium tenuissimum Sterki, 1901 - syn of: Pisidium nitidum Jenyns, 1832
terekense, Kuiperipisidium terekense Izzatullaev & Starobogatov, 1986 - syn of: Pisidium annandalei Prashad, 1925
terekholicum, Odhneripisidium terekholicum Izzatullaev & Starobogatov, 1986 - syn of: Pisidium popovae Starobogatov & Streletzkaja, 1967
terenda, Sphaerinova terenda Iredale, 1943 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
terveriana, Cyclas terveriana Dupuy, 1849 - syn of: Musculium lacustre (Müller, 1774)
tetragonum, Pisidium tetragonum Normand, 1854 - syn of: Pisidium milium Held, 1836
thermale, Pisidium thermale Dupuy, 1849 - syn of: Pisidium casertanum (Poli, 1791)
titicacence, Sphaerium titicacence (Pilsbry, 1924)
titicacense, Sphaerium titicacense Pilsbry, 1924 - syn of: Sphaerium titicacence (Pilsbry, 1924)
tornense, Pisidium tornense Odhner, 1908 - syn of: Pisidium conventus Clessin, 1877
torquatum, Pisidium torquatum Stelfox, 1918 - syn of: Pisidium moitessierianum Paladilhe, 1866
translucidum, Sphaerium translucidum Sowerby, 1876 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
transversale, Sphaerium transversale Westerlund, 1898 - syn of: Sphaerium asiaticum (Von Martens, 1864)
transversum, Sphaerium transversum Say, 1829
trapezoideum, Pisidium trapezoideum Sterki, 1896 - syn of: Pisidium casertanum (Poli, 1791)
trapezoideum protensum, Pisidium trapezoideum protensum Sterki, 1916 - syn of: Pisidium casertanum (Poli, 1791)
triangulare, Sphaerium triangulare (Say, 1829)
triangularis, Eupera triangularis Mandahl-Barth, 1973 - syn of: Eupera triangulum Mandahl-Barth, 1973
triangulum, Eupera triangulum Mandahl-Barth, 1973
trigonoides, Pisidium trigonoides (Dybowski, 1902)
trigonoides, Henslowiana trigonoides Dybowski, 1902 - syn of: Pisidium trigonoides (Dybowski, 1902)
trigonum, Pisidium trigonum Locard, 1893 - syn of: Pisidium moitessierianum Paladilhe, 1866
tumida, Eupera tumida (Clessin, 1879)
tumida, Cyclas tumida Ziegler, 0 - syn of: Sphaerium cornea (Linnaeus, 1767)
turanicum, Pisidium turanicum Von Martens, 1874 - syn of: Pisidium subtruncatum Malm, 1855
turkestanicum, Pisidium turkestanicum Izzatullaev, 1974
tuvaense, Odhneripisidium tuvaense Izzatullaev & Starobogatov, 1986 - syn of: Pisidium popovae Starobogatov & Streletzkaja, 1967
uejii, Pisidium uejii Mori, 1938
uenoi, Pisidium uenoi Mori, 1938 - syn of: Pisidium lilljeborgi Clessin, 1886
uintaense, Sphaerium uintaense Call, 1886 - syn of: Sphaerium nitidum Clessin, 1976
ultramontanum, Pisidium ultramontanum Prime, 1865
uncinatum, Sphaerium uncinatum Locard, 1882 - syn of: Musculium lacustre (Müller, 1774)
urinator, Pisidium urinator Clessin, 1877 - syn of: Pisidium conventus Clessin, 1877
vallentinianum, Sphaerium vallentinianum Melvill & Standen, 1914 - syn of: Pisidium plenilunium (Melvill & Standen, 1907)
variabile, Pisidium variabile Prime, 1852
veatleyi, Eupera veatleyi (Adams, 1849)
venezuelensis, Cyclas venezuelensis Prime, 1865 - syn of: Eupera bahiensis (Spix, 1827)
ventricosa, Eupera ventricosa (Clessin, 1882)
ventricosum, Pisidium ventricosum Prime, 1851
vesiculare, Pisidium vesiculare Sterki, 1896 - syn of: Pisidium ventricosum Prime, 1851
vesiculare striatellum, Pisidium vesiculare striatellum Sterki, 1916 - syn of: Pisidium ventricosum Prime, 1851
victoriae, Sphaerium victoriae Smith, 1906
victoriana, Sphaerinova victoriana Iredale, 1943 - syn of: Pisidium tasmanicum Tenison-Woods, 1876
vile, Pisidium vile Pilsbry, 1897
vincentianum, Pisidium vincentianum Woodward, 1913 - syn of: Pisidium stewarti Preston, 1909
viridans, Eupera viridans Prime, 1875 - syn of: Eupera viridantis (Prime, 1875)
viridantis, Eupera viridantis (Prime, 1875)
viridarium, Pisidium viridarium Kuiper, 1956
vitrea, Cyclas vitrea Risso, 1826 - syn of: Pisidium casertanum (Poli, 1791)
volgensis, Euglesa volgensis Timm, 1976 - syn of: Pisidium subtruncatum Malm, 1855
volutabundum, Pisidium volutabundum Vanatta, 1910
vukovici, Pisidium vukovici Neubauer, Mandic & Harzhauser, 2013 † (FOSSIL)
waldeni, Pisidium waldeni Kuiper, 1975
walkeri, Sphaerium walkeri Sterki, 1901 - syn of: Sphaerium nitidum Clessin, 1976
watsoni, Pisidium watsoni Paiva, 1866 - syn of: Pisidium casertanum (Poli, 1791)
weinlandi, Eupera weinlandi (Clessin, 1882)
westerlundi, Sphaerium westerlundi Clessin, 1873 - syn of: Sphaerium cornea (Linnaeus, 1767)
winkleyi, Musculium winkleyi Sterki, 1909 - syn of: Musculium lacustre (Müller, 1774)
yarkandense, Pisidium yarkandense Prashad, 1933
yucatense, Sphaerium yucatense Crosse & Fischer, 1894 - syn of: Eupera singleyi (Pilsbry, 1889)
zeylanica, Cyclas zeylanica Lamarck, 1806 - syn of: Geloina erosa (Lightfoot, 1786)
zonatum, Pisidium zonatum Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791)
zugmayeri, Pisidium zugmayeri Weber, 1910
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