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 Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa species Euglesa nitida (Jenyns, 1832): synonymy0 specimens + 17 Genbank vouchers
 | Pisidium nitidum Jenyns, 1832Jenyns, 1832. Trans. Cambridge Phil. Soc. 4: 304, pl. 20, figs. 7-8.
 
 Pisidium (Eupisidium) nitidum — Mori (1938), Zhadin (1965), Korniushin (1998)
 Pisidium nitidum — Herrington (1962), Mandahl-Barth (1988), Kuiper et al. (1989), Turgeon et al. (1998), Daget (1998), ... Groh et al. (2020), Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022), Czaja et al. (2023)
 Pisidium (Cyclocalyx) nitidum — Clarke (1973), Burch (1975), Voode (2017), Bespalaya et al. (2017), Fuentealba-Jara et al. (2017)
 Pisidium nitidum f. nitidum — Mackie et al. (1980)
 Pisidium (Cingulipisidium) nitidum — Falkner et al. (2001), Bank (2006)
 Pisidium (Euglesa) nitidum — Korniushin & Glaubrecht (2002)
 Cyclocalyx nitidum — Lee & Ó Foighil (2003)
 Cingulipisidium (s.s.) nitidum — Starobogatov et al. (2004)
 Cingulipisidium nitidum — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
 Euglesa (Cyclocalyx) nitida — Mouthon & Forcellini (2017)
 Euglesa nitidum — Vinarski et al. (2020)
 Pisidium cf. nitidum — Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022)
 Euglesa nitida — Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023)
 Euglesa (Cingulipisidium) nitida — Bespalaya et al. (2023)
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 | Pisidium incertum Normand, 1854Normand, 1854. Cycl. Dépt. Nord. 5: 6.
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 | Pisidium nitidum var. splendens Baudon, 1857Baudon, 1857. Mém. Soc. Acad. Archéol. Sci. Arts Dépt. Oise 3: 25, pl. 1, fig. b.
 
 Cingulipisidium (s.s.) splendens — Starobogatov et al. (2004)
 Cingulipisidium splendens — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] splendens — Vinarski & Kantor (2016)
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 | Pisidium contortum Prime, 1858Prime, 1858. Ann. Lyc. Natur. Hist. 6: 65, pl. 1, figs. 2a-c.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Clarke (1973), Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium nitidum var. fedderseni Westerlund, 1890Westerlund, 1890. Fauna Paläarct. Binnenconch. 2(7): 24.
 
 Cingulipisidium (s.s.) fedderseni — Starobogatov et al. (2004)
 Cingulipisidium fedderseni — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] fedderseni — Vinarski & Kantor (2016)
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 | Pisidium pauperculum Sterki, 1896Sterki, 1896. Nautilus 10(6): 64.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Clarke (1973), Burch (1975)
 Pisidium nitidum f. pauperculum — Mackie et al. (1980)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium splendidulum Sterki, 1898Sterki, 1898. Nautilus 11(10): 113.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium pauperculum var. nylanderi Sterki, 1898Sterki, 1898. Nautilus 11(11): ??.
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium handwerki Sterki, 1899Sterki, 1899. Nautilus 13(8): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium tenuissimum Sterki, 1901Sterki, 1901. Nautilus 14(9): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium minusculum Sterki, 1906Sterki, 1906. Nautilus 20(2): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium glabellum Sterki, 1913Sterki, 1913. Nautilus 26(12): 137.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium lermondi Sterki, 1913Sterki, 1913. Nautilus 26(12): 138.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium pusillum B.B. Woodward, 1913B.B. Woodward, 1913. Cat. Brit.  Pisidium of the BMNH: ??.
 
 Pisidium conventus — Herrington (1962), IUCN (2011)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Pisidium nitidum — Fauna Europaea (2012)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium latchfordi Sterki, 1916Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium pauperculum var. crystalense Sterki, 1916Sterki, 1907. Proc. Ohio St. Acad. Sci. 4(8): ??. [nomen nudum]
 Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium splendidulum var. corneolum Sterki, 1916Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium splendidulum var. miliastrum Sterki, 1916Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium splendidulum var. novangliae Sterki, 1916Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium nitidum var. crassa Stelfox, 1918Stelfox, 1918. J. of Conch. 15: 295, pl. 7, figs. 5-8.
 
 Cingulipisidium (Costopisidium) crassum — Starobogatov et al. (2004)
 Cingulipisidium crassum — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] crassa — Vinarski & Kantor (2016)
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 | Pisidium limpidum Sterki, 1922Sterki, 1922. Ann. Carnegie Mus. 13(3/4): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium prognathum Sterki, 1922Sterki, 1922. Ann. Carnegie Mus. 13(3/4): ??.
 
 Pisidium nitidum — Herrington (1962)
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
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 | Pisidium shadini Johansen, 1937Johansen, 1937. Tr. Biol. Nuachno Issl. Instit. 4: 195, fig. 2.
 
 Pisidium (Eupisidium) shadini — Zhadin (1965)
 Cingulipisidium (Costopisidium) shadini — Starobogatov et al. (2004)
 Cingulipisidium shadini — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] shadini — Vinarski & Kantor (2016)
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 | Galileja kozhovi Starobogatov & Streletzkaja, 1967Starobogatov & Streletzkaja, 1967. Trudy Zool. Inst. 42: 254, fig. 64.
 
 Cingulipisidium (s.s.) kozhovi — Starobogatov et al. (2004)
 Cingulipisidium kozhovi — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] kozhovi — Vinarski & Kantor (2016)
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 | Galileja rotundicostata Starobogatov & Streletzkaja, 1967Starobogatov & Streletzkaja, 1967. Trudy Zool. Inst. 42: 253, fig. 62.
 
 Cingulipisidium (Costopisidium) rotundicostatum — Starobogatov et al. (2004)
 Cingulipisidium rotundicostata — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] rotundicostata — Vinarski & Kantor (2016)
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 | Euglesa tanuga Timm, 1976Timm, 1976. Eesti NSV Tead. Akad. Toim. (Biol.) 25(1): 223, fig. 8.
 
 Cingulipisidium (Costopisidium) tanugum — Starobogatov et al. (2004)
 Cingulipisidium tanuga — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] tanuga — Vinarski & Kantor (2016)
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 | Euglesa khurdinensis Stadnichenko, 1984Pirogov & Starobogatov in Stadnichenko, 1984. Fauna Ukrayiny 29: 255, fig. 82.
 
 Cingulipisidium (s.s.) khurdenensis [sic] — Starobogatov et al. (2004)
 Cingulipisidium khurdinensis — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] khurdinensis — Vinarski & Kantor (2016)
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 | Euglesa (Cingulipisidium) pulchricingulata Starobogatov & Budnikova, 1985Starobogatov & Budnikova, 1985. Trudy Zool. Inst. 135: 101, fig. 6.
 
 Cingulipisidium (s.s.) pulchricingulatum — Starobogatov et al. (2004)
 Cingulipisidium pulchricingulatum — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] pulchricingulata — Vinarski & Kantor (2016)
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 | Euglesa cingulata Anistratenko & Starobogatov, 1990Anistratenko & Starobogatov, 1990. unknown publication: 15, fig. 2.
 
 Cingulipisidium (s.s.) cingulatum — Starobogatov et al. (2004)
 Cingulipisidium cingulatum — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] cingulata — Vinarski & Kantor (2016)
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 | Cingulipisidium feroense Korniushin, 1991Mörch in Korniushin, 1991. Zool. Zhur. 70(4): 21, fig. 1.
 
 Cingulipisidium (s.s.) feroense — Starobogatov et al. (2004)
 Cingulipisidium feroense — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] feroense — Vinarski & Kantor (2016)
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 | Pisidium nitidum var. lacustris Clessin, 1873Clessin, 1873. Corrspbl. d. zool.-mineral. Ver. Regensburg: 28.
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 | Pisidium foreli Clessin, 1874Clessin, 1874. Bull. Soc. Vaud. Sci. Nat. 13: 149. [nomen nudum]
 Clessin, 1877. Conch. Cab. 9(3): 68, pl. 8, figs. 1-3.
 
 Pisidium nitidum — Fauna Europaea (2012)
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 | Pisidium amoenum Herrington, 1954‘Sterki’ Herrington, 1954. Nautilus 67(3): ??. [nomen nudum]
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
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 | Pisidium flexum Herrington, 1954‘Sterki’ Herrington, 1954. Nautilus 67(3): ??. [nomen nudum]
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
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 | Pisidium luteolum Herrington, 1954Herrington, 1954. Nautilus 67(3): ??. [nomen nudum]
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
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 | Pisidium overiapicula Herrington, 1954‘Sterki’ Herrington, 1954. Nautilus 67(3): ??. [nomen nudum]
 
 Pisidium (Cyclocalyx) nitidum — Burch (1975)
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 | Cingulipisidium khurdenensis Starobogatov et al., 2004Starobogatov et al., 2004. Key Freshw. Invert. Russia 6 (molluscs, polychaetes, nemerteans): 75.
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 | Pisidium globellum Vinarski & Kantor, 2016‘Sterki’ Vinarski & Kantor, 2016. Analyt. Cat. Fr. Brack. Moll. Russia: 120.
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 Taxonomic History (since 1900)Pisidium (Eupisidium) nitidum — Mori (1938), Zhadin (1965), Korniushin (1998)Pisidium nitidum — Herrington (1962), Mandahl-Barth (1988), Kuiper et al. (1989), Turgeon et al. (1998), Daget (1998), ... Groh et al. (2020), Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022), Czaja et al. (2023)
 Pisidium conventus — Herrington (1962), IUCN (2011)
 Pisidium (Eupisidium) shadini — Zhadin (1965)
 Pisidium (Cyclocalyx) nitidum — Clarke (1973), Burch (1975), Voode (2017), Bespalaya et al. (2017), Fuentealba-Jara et al. (2017)
 Pisidium nitidum f. nitidum — Mackie et al. (1980)
 Pisidium nitidum f. pauperculum — Mackie et al. (1980)
 Pisidium (Cingulipisidium) nitidum — Falkner et al. (2001), Bank (2006)
 Pisidium (Euglesa) nitidum — Korniushin & Glaubrecht (2002)
 Cyclocalyx nitidum — Lee & Ó Foighil (2003)
 Cingulipisidium (s.s.) nitidum — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) splendens — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) fedderseni — Starobogatov et al. (2004)
 Cingulipisidium (Costopisidium) crassum — Starobogatov et al. (2004)
 Cingulipisidium (Costopisidium) shadini — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) kozhovi — Starobogatov et al. (2004)
 Cingulipisidium (Costopisidium) rotundicostatum — Starobogatov et al. (2004)
 Cingulipisidium (Costopisidium) tanugum — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) khurdenensis [sic] — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) pulchricingulatum — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) cingulatum — Starobogatov et al. (2004)
 Cingulipisidium (s.s.) feroense — Starobogatov et al. (2004)
 Cingulipisidium nitidum — Kantor et al. (2010)
 Cingulipisidium splendens — Kantor et al. (2010)
 Cingulipisidium fedderseni — Kantor et al. (2010)
 Cingulipisidium crassum — Kantor et al. (2010)
 Cingulipisidium shadini — Kantor et al. (2010)
 Cingulipisidium kozhovi — Kantor et al. (2010)
 Cingulipisidium rotundicostata — Kantor et al. (2010)
 Cingulipisidium tanuga — Kantor et al. (2010)
 Cingulipisidium khurdinensis — Kantor et al. (2010)
 Cingulipisidium pulchricingulatum — Kantor et al. (2010)
 Cingulipisidium cingulatum — Kantor et al. (2010)
 Cingulipisidium feroense — Kantor et al. (2010)
 Euglesa (Cingilipisidium) [sic] nitida — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] splendens — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] fedderseni — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] crassa — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] shadini — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] kozhovi — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] rotundicostata — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] tanuga — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] khurdinensis — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] pulchricingulata — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] cingulata — Vinarski & Kantor (2016)
 Euglesa (Cingilipisidium) [sic] feroense — Vinarski & Kantor (2016)
 Euglesa (Cyclocalyx) nitida — Mouthon & Forcellini (2017)
 Euglesa nitidum — Vinarski et al. (2020)
 Pisidium cf. nitidum — Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022)
 Euglesa nitida — Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023)
 Euglesa (Cingulipisidium) nitida — Bespalaya et al. (2023)
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