| Page last updated
Wed 1 October 2025 |
The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Search the database pages:
Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa species Euglesa obtusalis (Lamarck, 1818): synonymy 2 specimens + 18 Genbank vouchers Cyclas obtusalis Lamarck, 1818 Lamarck, 1818. Hist. Natur. Anim. sans Vert. 5: 559.
Pisidium (Eupisidium) obtusale — Zhadin (1965), Korniushin (1998) Pisidium (Cyclocalyx) obtusale — Clarke (1973), Falkner et al. (2001), Bank (2006), Voode (2017), Bespalaya et al. (2017) Pisidium obtusale — Burch (1975), Kuiper et al. (1989), Korniushin et al. (2001), Taylor et al. (2007), Schultheiß et al. (2008), ... Múrria et al. (2020), Groh et al. (2020), Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022) Pisidium (Euglesa) obtusale — Korniushin & Glaubrecht (2002) Cyclocalyx obtusalis — Kantor et al. (2010) Euglesa (Cyclocalyx) obtusale — Vinarski & Kantor (2016) Euglesa obtusalis — Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023) Euglesa obtusale — Bespalaya et al. (2021) Euglesa (s.s.) obtusalis — Bespalaya et al. (2023) | |
Cyclas gibba Alder, 1831 Alder, 1831. Trans. Natur. Hist. Soc. Northumbld. Durham 1: 41.
Pisidium obtusale — He & Zhuang (2013) | |
Cyclas ovalis Nilsson, 1832 Nilsson, 1832. Trans. Cambridge Phil. Soc. 4: ??.
Pisidium obtusale — He & Zhuang (2013) | |
Pisidium dubrueili Baudon, 1872 Baudon, 1872. unknown publication: 30, pl. 3, figs. 1-4.
Cyclocalyx (s.s.) dubrueili — Starobogatov et al. (2004) Cyclocalyx dubrueili — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) dubrueili — Vinarski & Kantor (2016) | |
Pisidium scholtzii Clessin, 1873 Clessin, 1873. Malak. Blatt. 20: 23, pl. 1, fig. 1. Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 540. Clessin, 1874. Conch. Cab. 9(3): 18, pl. 2, figs. 1-3.
Corneocyclas (Cyclocalyx) scholtzi — Dall (1903) Pisidium obtusale — Thiele (1934), IUCN (2011), Fauna Europaea (2012), He & Zhuang (2013) Pisidium (Cyclocalyx) obtusale — Clarke (1973) Pisidium (Eupisidium) obtusale — Korniushin (1998) Cyclocalyx (s.s.) scholtzi — Starobogatov et al. (2004) Cyclocalyx scholtzii — Kantor et al. (2010) Euglesa (Cyclocalyx) scholtzii — Vinarski & Kantor (2016) | |
Pisidium obtusale magnificum Westerlund, 1873 Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 547. Clessin, 1874. Conch. Cab. 9(3): 27.
Cyclocalyx (s.s.) magnificus — Starobogatov et al. (2004) Cyclocalyx magnificus — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) magnifica — Vinarski & Kantor (2016) | |
Pisidium obtusale solidum Westerlund, 1873 Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 548. Clessin, 1874. Conch. Cab. 9(3): 28.
Cyclocalyx (s.s.) solidus — Starobogatov et al. (2004) Cyclocalyx solidus — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) solida — Vinarski & Kantor (2016) | |
Pisidium obtusale var. fragilis Westerlund, 1873 Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 548. Clessin, 1874. Conch. Cab. 9(3): 28.
Cyclocalyx (s.s.) fragilis — Starobogatov et al. (2004) Cyclocalyx fragilis — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) fragilis — Vinarski & Kantor (2016) | |
Pisidium scholtzi var. lapponicum Westerlund, 1873 Clessin in Westerlund, 1873. Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 540. Clessin, 1874. Conch. Cab. 9(3): 19.
Pisidium obtusale — Burch (1975), He & Zhuang (2013) Cyclocalyx (s.s.) lapponicus — Starobogatov et al. (2004) Cyclocalyx lapponicus — Kantor et al. (2010) Euglesa (Cyclocalyx) lapponica — Vinarski & Kantor (2016) | |
Pisidium obtusalastrum Woodward, 1921 Woodward, 1921. unknown publication: ??.
Pisidium obtusale — IUCN (2011), Fauna Europaea (2012) | |
Galileja lapponica var. cor Starobogatov & Streletzkaja, 1967 Starobogatov & Streletzkaja, 1967. Trudy Zool. Inst. 42: 251.
Cyclocalyx (s.s.) cor — Starobogatov et al. (2004) Cyclocalyx cor — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) cor — Vinarski & Kantor (2016) | |
Euglesa (Cyclocalyx) chaunensis Prozorova, 1988 Prozorova, 1988. Zool. Zhur. 67(10): 1578, fig. 2.
Cyclocalyx (s.s.) chaunensis — Starobogatov et al. (2004) Cyclocalyx chaunensis — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) chaunensis — Vinarski & Kantor (2016) | |
Euglesa (Cyclocalyx) ovata Prozorova, 1988 Prozorova, 1988. Zool. Zhur. 67(10): 1579, fig. 3.
Cyclocalyx (s.s.) ovatus — Starobogatov et al. (2004) Cyclocalyx ovatus — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) ovata — Vinarski & Kantor (2016) | |
Euglesa (Cyclocalyx) angarensis Slugina et al., 1994 Slugina & Starobogatov in Slugina et al., 1994. Ruthenica 4(2): 136.
Cyclocalyx (s.s.) angarensis — Starobogatov et al. (2004) Cyclocalyx angarensis — Kantor et al. (2010) Pisidium obtusale — He & Zhuang (2013) Euglesa (Cyclocalyx) angarensis — Vinarski & Kantor (2016) | |
Pisidium obtusale Brown, 1831 Brown, 1831. Edinb. J. Nat. & Geogr. 4: 412. | |
Pisidium obtusale Scholtz, 1853 Scholtz, 1853. Land- und Wassermoll. Schlesiens: 142. [in part] | |
Pisidium obtusale solidum Kantor et al., 2010 Kantor et al., 2010. Cat. Contin. Moll. Russia: 306. | |
Taxonomic History (since 1900)Corneocyclas (Cyclocalyx) scholtzi — Dall (1903) Pisidium obtusale — Thiele (1934), Burch (1975), Kuiper et al. (1989), Korniushin et al. (2001), Taylor et al. (2007), ... Múrria et al. (2020), Groh et al. (2020), Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022) Pisidium (Eupisidium) obtusale — Zhadin (1965), Korniushin (1998) Pisidium (Cyclocalyx) obtusale — Clarke (1973), Falkner et al. (2001), Bank (2006), Voode (2017), Bespalaya et al. (2017) Pisidium (Euglesa) obtusale — Korniushin & Glaubrecht (2002) Cyclocalyx (s.s.) dubrueili — Starobogatov et al. (2004) Cyclocalyx (s.s.) scholtzi — Starobogatov et al. (2004) Cyclocalyx (s.s.) magnificus — Starobogatov et al. (2004) Cyclocalyx (s.s.) solidus — Starobogatov et al. (2004) Cyclocalyx (s.s.) fragilis — Starobogatov et al. (2004) Cyclocalyx (s.s.) lapponicus — Starobogatov et al. (2004) Cyclocalyx (s.s.) cor — Starobogatov et al. (2004) Cyclocalyx (s.s.) chaunensis — Starobogatov et al. (2004) Cyclocalyx (s.s.) ovatus — Starobogatov et al. (2004) Cyclocalyx (s.s.) angarensis — Starobogatov et al. (2004) Cyclocalyx obtusalis — Kantor et al. (2010) Cyclocalyx dubrueili — Kantor et al. (2010) Cyclocalyx scholtzii — Kantor et al. (2010) Cyclocalyx magnificus — Kantor et al. (2010) Cyclocalyx solidus — Kantor et al. (2010) Cyclocalyx fragilis — Kantor et al. (2010) Cyclocalyx lapponicus — Kantor et al. (2010) Cyclocalyx cor — Kantor et al. (2010) Cyclocalyx chaunensis — Kantor et al. (2010) Cyclocalyx ovatus — Kantor et al. (2010) Cyclocalyx angarensis — Kantor et al. (2010) Euglesa (Cyclocalyx) obtusale — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) dubrueili — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) scholtzii — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) magnifica — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) solida — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) fragilis — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) lapponica — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) cor — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) chaunensis — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) ovata — Vinarski & Kantor (2016) Euglesa (Cyclocalyx) angarensis — Vinarski & Kantor (2016) Euglesa obtusalis — Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023) Euglesa obtusale — Bespalaya et al. (2021) Euglesa (s.s.) obtusalis — Bespalaya et al. (2023)
|