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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Clessin (1874): summary
     publication summary

Complete Citation

Clessin, S. 1874. Die Familie der Cycladeen. [in] H.C. Küster, Systematisches Conchylien-Cabinet von Martini und Chemnitz 9(3): 1-40. Available electronically.

Attributed Nominal Species

There are 12 available nominal species attributed to this publication (29 total).
Click here for a complete list.

Taxonomic Opinions

Pisidium amnicum Müller
+ Cyclas palustris Draparnaud, 1806
+ Cyclas obliqua Lamarck, 1818

Pisidium bartolomaeum Clessin

Pisidium fossarinum Clessin = Euglesa casertana
+ Pisidium pulchellum Jenyns, 1832
+ Pisidium fontinale Pfeiffer, 1821

Pisidium fossarinum Clessin = Euglesa pulchella

Pisidium globulare Clessin = Euglesa globularis

Pisidium henslowianum [sic] Sheppard = Euglesa henslowana
+ Cyclas appendiculata Turton, 1831

Pisidium henslowianum [sic] var. elongatum Clessin = Euglesa henslowana

Pisidium henslowianum [sic] var. pulchrum Clessin = Euglesa henslowana

Pisidium henslowianum [sic] var. solidum Clessin = Euglesa henslowana

Pisidium henslowianum [sic] var. suecicum Clessin. Westerlund = Euglesa henslowana

Pisidium intermedium Gassies = Euglesa casertana
+ Pisidium planum Prime, 1870

Pisidium milium Held = Euglesa milium
+ Pisidium gassiesianum Gassies, 1849
+ Pisidium tetragonum Normand, 1854
+ Pisidium arcaeforme Malm, 1855

Pisidium obtusale C. Pfeiffer = Euglesa ventricosa
+ Cyclas gibba Alder, 1831

Pisidium obtusale C. Pfeiffer = Euglesa obtusalis

Pisidium obtusale var. fragile Clessin = Euglesa obtusalis

Pisidium obtusale var. magnificum Clessin = Euglesa obtusalis

Pisidium obtusale var. personatum Malm = Euglesa personata

Pisidium obtusale var. solidum Clessin = Euglesa obtusalis

Pisidium pallidum Gassies = Euglesa subtruncata

Pisidium parvulum Clessin = Euglesa parvula

Pisidium parvulum var. martensi Clessin = Euglesa parvula

Pisidium pulchellum Jenyns = Euglesa pulchella

Pisidium pusilla Gmelin = Euglesa casertana
+ Cyclas fontinalis Draparnaud, 1806
+ Cyclas fontinalis Nilsson, 1822
+ Pisidium pusillum Jenyns, 1832

Pisidium pusilla Gmelin = Euglesa personata

Pisidium rivulare Clessin = Euglesa casertana

Pisidium roseum Scholtz = Euglesa casertana

Pisidium scholtzii Clessin = Euglesa obtusalis
+ Pisidium obtusale Scholtz, 1853

Pisidium scholtzii var. lapponicum Clessin = Euglesa obtusalis

Pisidium subtruncatum Malm = Euglesa henslowana
+ Cyclas obtusalis Nilsson, 1822
+ Pisidium dupuyanum Normand, 1854

Pisidium subtruncatum Malm = Euglesa subtruncata

Pisidium subtruncatum var. turgidum Clessin = Euglesa subtruncata

Pisidium supinum A. Schmidt = Euglesa supina
+ Pisidium fontinale Stein, 1850
+ Pisidium hesnlowianum var. inappendiculatum Moquin-Tandon, 1855
+ Pisidium conicum Baudon, 1857
+ Pisidium baudonii Clessin, 1873